Remember vs Think back

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

Remember

Top 1,000 (very common)A1verb

Think back

Top 2,000 (common)
Most common: Remember
 RememberThink back
Pronunciation🇬🇧 /["/rɪˈmembə(r)/","/rɪˈmembəz/","/rɪˈmembəd/","/rɪˈmembərɪŋ/"]/🇺🇸 /["/rɪˈmembər/","/rɪˈmembərz/","/rɪˈmembərd/","/rɪˈmembərɪŋ/"]/🇬🇧 //θɪŋk bæk//🇺🇸 //θɪŋk bæk//
MeaningTo keep something in your mind.To remember something from the past
ExamplePlease remember to bring your homework tomorrow.I often think back to my childhood summers at the beach.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA1-
Part of speechverb
Collocationsclearly, distinctly, vividly, can, try to, be important to, as, for, clearly, distinctly, vividly, can, try to, be important to, as, for, clearly, distinctly, vividly, can, try to, be important to, as, forthink back to, think back on, think back about
Antonymsforget-
Common mistakesUsing 'remember' when you mean 'remind'., Confusion between 'remember' and 'forget'., Omitting the object, e.g., saying 'I remember' without specifying what.Confusing with 'think of' which is more general for considering ideas., Using with present tense incorrectly instead of past., Omitting 'to' when mentioning the time or event.
Usage notesUse 'remember' when referring to recalling information or past experiences. It is neutral and widely applicable but avoid in very formal contexts where alternatives like 'recollect' might be more suitable.Used in conversations when reminiscing or recalling past events; appropriate in both casual and formal speech.

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Remember
Think back

Frequently asked questions: Remember vs Think back

What's the difference between Remember and Think back?

Remember: To keep something in your mind. Think back: To remember something from the past

Which is more common: Remember and Think back?

Remember is the most common in everyday English.

Can you show an example of each?

Remember: Please remember to bring your homework tomorrow. Think back: I often think back to my childhood summers at the beach.

Can I use Remember and Think back interchangeably?

Not always. Remember and Think back 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.