Why phrasal verbs are the hidden hard part of English

Phrasal verbs are the single biggest reason English learners feel they “understand each word but can’t follow the conversation”. A phrasal verb is a verb plus one or two particles (prepositions or adverbs) that together create a meaning very different from the original verb. “Pick” means choose; “pick up” can mean to lift, to learn casually, to collect someone, or to start a topic — depending on context.

Most are informal, but many appear in formal writing too (“set out”, “carry out”, “point out”). Native speakers use them constantly, often without noticing. The fastest way to sound natural in spoken English is to actively use 100-200 of the most common phrasal verbs.

1 — Daily routines and life

• get up (neutral) — to leave bed. “I get up at six on weekdays.”
• wake up (neutral) — stop sleeping. “I woke up before the alarm.”
• turn on / turn off (neutral) — start/stop a device. “Please turn off the lights.”
• switch on / switch off (neutral) — same as above (more BrE). “Switch on the kettle.”
• put on / take off (neutral) — clothes. “Put on a coat — it’s freezing.”
• tidy up / clean up (neutral) — make tidy. “Tidy up your room before guests arrive.”
• throw away / throw out (neutral) — discard. “Don’t throw away the receipt.”
• run out (of) (neutral) — have none left. “We’ve run out of milk.”

2 — Travel and movement

• set off / set out (neutral) — start a journey. “We set off at dawn.”
• get in / get out (of) (neutral) — enter/leave a small vehicle. “Get in the car.”
• get on / get off (neutral) — enter/leave a large vehicle. “Get off at the third stop.”
• pick up (neutral) — collect a person. “I’ll pick you up at seven.”
• drop off (neutral) — deliver someone or something. “Can you drop me off at the station?”
• check in / check out (neutral) — hotel/flight. “We checked in just before midnight.”
• take off (neutral) — plane leaves the ground. “The plane took off late.”
• look around (neutral) — explore a place. “We looked around the old town for a few hours.”
• turn around / turn back (neutral) — change direction. “It started raining, so we turned back.”
• head off / head out (informal) — leave. “I’d better head off before the traffic.”

3 — Work and study

• find out (neutral) — discover. “How did you find out?”
• figure out / work out (neutral) — solve, understand. “I can’t figure out this question.”
• look up (neutral) — search for information. “Look up the word in the dictionary.”
• look into (neutral) — investigate. “We’re looking into the issue.”
• carry out (formal) — perform a task. “The team carried out the research over six months.”
• set up (neutral) — establish or arrange. “They set up a small business in 2019.”
• fill in / fill out (neutral) — complete a form. “Please fill in this form.”
• hand in (neutral) — submit work. “Hand in your essays by Friday.”
• back up (neutral) — support / save data. “Always back up your files.”
• take over (neutral) — assume control. “She took over the project last month.”
• cut down (on) (neutral) — reduce. “I’m trying to cut down on coffee.”
• focus on (formal/neutral) — concentrate. “Focus on accuracy first, speed later.”
• point out (formal/neutral) — bring attention to. “He pointed out a flaw in the argument.”
• bring up (neutral) — start a topic. “She brought up an interesting question.”
• put off (neutral) — delay. “Don’t put off your IELTS preparation.”

4 — Communication and relationships

• get along / get on (neutral) — have a good relationship. “They get along really well.”
• fall out (with) (informal) — argue and stop being friends. “They fell out over money.”
• make up (neutral) — reconcile after argument. “They argued but made up the next day.”
• break up (with) (neutral) — end a relationship. “She broke up with him last month.”
• go out (with) (informal) — date someone. “They’ve been going out for two years.”
• look after (neutral) — take care of. “Can you look after my cat?”
• look up to (neutral) — admire. “He really looks up to his older sister.”
• look down on (neutral) — feel superior to. “Don’t look down on people.”
• catch up (with) (informal) — exchange recent news. “Let’s catch up over coffee.”
• drop in / drop by (informal) — visit briefly. “Drop by any time.”

5 — Feelings and reactions

• cheer up (informal) — become happier. “Cheer up — it’s not so bad.”
• calm down (neutral) — become less angry. “Take a moment to calm down.”
• freak out (informal) — panic. “Don’t freak out, it’s just a small problem.”
• chill out (informal) — relax. “I just need to chill out this weekend.”
• look forward to (neutral) — anticipate happily. “I’m looking forward to the trip.”
• get over (neutral) — recover from. “It took a year to get over the breakup.”
• put up with (neutral) — tolerate. “I can’t put up with this noise any longer.”
• fed up (with) (informal) — frustrated. “I’m fed up with the rain.”
• sick of (informal) — tired of. “He’s sick of his commute.”
• burst into tears / burst out laughing (neutral) — sudden emotion. “She burst into tears when she heard the news.”

6 — Decisions and changes

• make up your mind (neutral) — decide. “Have you made up your mind yet?”
• think over / think through (neutral) — consider carefully. “Think it over before you sign.”
• back out (of) (neutral) — withdraw. “They backed out of the deal at the last minute.”
• turn down (neutral) — refuse. “She turned down the job offer.”
• take up (neutral) — start a new activity. “She took up yoga last year.”
• give up (neutral) — stop trying. “Don’t give up — you’re nearly there.”
• carry on (neutral) — continue. “Carry on with what you were saying.”
• get used to (neutral) — become familiar with. “It took me months to get used to the British accent.”
• end up (neutral) — finish in a situation. “We ended up walking home.”
• turn out (neutral) — have an unexpected result. “It turned out to be a great idea.”

7 — Eating, drinking, shopping

• eat out (neutral) — eat at a restaurant. “We eat out once a week.”
• order in / take away (neutral) — order food to eat at home or to go. “Let’s just order in tonight.”
• fill up (neutral) — feel full / refill. “Fill up on bread before the main course.”
• cut up (neutral) — chop. “Cut up the vegetables first.”
• warm up / heat up (neutral) — make warm. “Heat up the soup for two minutes.”
• try on (neutral) — test clothes by wearing. “Can I try this on?”
• pay for (neutral) — give money for. “Who paid for dinner?”
• save up (for) (neutral) — collect money over time. “We’re saving up for a car.”
• splash out (on) (informal, BrE) — spend a lot. “They splashed out on a holiday.”
• rip off (informal) — overcharge. “That café really rips off tourists.”

8 — Problems and solutions

• break down (neutral) — stop working. “My laptop broke down again.”
• sort out (neutral) — fix or organise. “I’ll sort it out tomorrow.”
• deal with (neutral) — handle. “I’ll deal with it after the meeting.”
• come up with (neutral) — produce an idea. “She came up with a brilliant solution.”
• work out (neutral) — turn out well / solve. “It all worked out in the end.”
• run into (neutral) — meet by chance / encounter. “We ran into a few problems.”
• get rid of (informal/neutral) — remove. “We need to get rid of the old furniture.”
• put up (neutral) — build/erect. “They put up a new sign.”
• knock down (neutral) — demolish. “They’re going to knock down the old building.”
• fix up (neutral) — repair or arrange. “He fixed up the bike for his daughter.”

Register: when phrasal verbs are not appropriate

Most phrasal verbs are informal to neutral. In formal writing — academic essays, IELTS Writing Task 2, business reports, legal letters — you usually choose the single-verb equivalent:

• find out → discover, determine
• look into → investigate
• set up → establish
• put off → postpone
• get rid of → eliminate
• think about → consider
• come up with → propose, devise
• cut down on → reduce
• go up → increase, rise
• go down → decrease, decline

That said, some phrasal verbs are accepted in formal writing — especially “carry out”, “point out”, “set out”. The IELTS Lexical Resource criterion specifically rewards correct use of “less common items”, which includes well-chosen phrasal verbs. The mistake is overusing very informal ones (e.g. “freak out”, “rip off”, “chill out”) in academic essays.

How to actually master phrasal verbs

1. Learn in groups by particle. Notice patterns: “out” often means complete or finish (sort out, work out, find out, carry out). “Up” often means upward, completion, or improvement (cheer up, fill up, set up, look up).
2. Always learn with a sentence. Phrasal verbs without context are nearly impossible to remember.
3. Tag the register. Marking each one as formal, neutral or informal saves you from awkward mistakes later.
4. Use them in writing within 24 hours. Output cements memory faster than re-reading.
5. Listen for them in podcasts and TV. Once you know 100, you will hear them constantly.

FAQ

Are phrasal verbs really used in formal English?

Some are — especially “carry out”, “set out”, “point out”, “result in”. Most highly informal ones (chill out, freak out) are out of place in academic or business writing. The skill is choosing register-appropriate ones.

How many phrasal verbs do I need?

For comfortable B2 English, around 100-150 actively known phrasal verbs is enough. For C1, around 250. Quality of usage matters more than the raw count.

What’s the difference between phrasal verbs and idioms?

Phrasal verbs are verb + particle (“give up”, “look after”). Idioms are fixed expressions whose meaning is not literal (“hit the books”, “spill the beans”). Both are useful, but phrasal verbs appear far more often in everyday English.

Should I learn phrasal verbs by topic or alphabetically?

By topic. The brain remembers vocabulary in context groups much better than in alphabetical lists.

Related resources and guides

• Common English Collocations List
• IELTS Band 7 Vocabulary List
• 30-Day English Study Plan
• Anki vs Quizlet vs Memrise
• Best English Learning Apps