Don't look back vs Forget

When to use each in English, with meaning, register, and examples.

Don't look back

Top 2,000 (common)

Forget

Top 1,000 (very common)A1verb
Most common: Forget
 Don't look backForget
Pronunciation🇬🇧 //dəʊnt lʊk bæk//🇺🇸 //doʊnt lʊk bæk//🇬🇧 /["/fəˈɡet/","/fəˈɡets/","/fəˈɡɒt/","/fəˈɡɒtn/","/fəˈɡetɪŋ/"]/🇺🇸 /["/fərˈɡet/","/fərˈɡets/","/fərˈɡɑːt/","/fərˈɡɑːtn/","/fərˈɡetɪŋ/"]/
MeaningDon't think about the past.To fail to remember something.
ExampleIn life, it's important to don't look back and focus on your future.I always forget where I put my keys.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-A1
Part of speechverb
Collocationsdon't look back at mistakes, don't look back in fear, don't look back on regretscompletely, quite, totally, seem to, tend to, want to, about, forget all about something, keep forgetting, largely forgotten, completely, quite, totally, seem to, tend to, want to, about, forget all about something, keep forgetting, largely forgotten, completely, quite, totally, seem to, tend to, want to, about, forget all about something, keep forgetting, largely forgotten
Antonyms-remember, recall
Common mistakesConfused with 'don't look forward' which means to not anticipate the future., Misinterpreted literally instead of as an idiomatic expression.'Forget' is incorrectly used with a gerund (e.g., 'forget doing' instead of 'forget to do')., Confusing 'forget' with 'forgive' which have different meanings., Using 'forget' inappropriately in passive forms.
Usage notesOften used as encouragement not to dwell on past mistakes. Suitable for informal conversations, motivational contexts. Avoid in formal writing.Use 'forget' in neutral contexts when discussing memory. Avoid in formal writing; consider 'neglect' or 'overlook' instead.

See it in real clips

Don't look back
Forget

Frequently asked questions: Don't look back vs Forget

What's the difference between Don't look back and Forget?

Don't look back: Don't think about the past. Forget: To fail to remember something.

Which is more common: Don't look back and Forget?

Forget is the most common in everyday English.

Can you show an example of each?

Don't look back: In life, it's important to don't look back and focus on your future. Forget: I always forget where I put my keys.

Can I use Don't look back and Forget interchangeably?

Not always. Don't look back and Forget are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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