- We don't do homework.
- It isn't clear what 'in the informal way' means.
I suspect the exercise is something like 'Find 10 words that are synonyms of phrasal verbs - which are typically used in less formal situations.' That's not difficult, and it's certainly not beyond you. You can do it on your ownwith the help of a dictionary.
Think of a verb, say 'accelerate'. Look it up in the dictionary. There will quite probably be a phrasal verb in the definition - in that case 'speed up'. Do this ten times. Bingo! :gold-star:
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