Forbid vs I can't let you destroy it

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

Forbid

FormalBeyond 10,000 (less common)B2verb

I can't let you destroy it

Top 2,000 (common)
Most formal: ForbidMost common: I can't let you destroy it
 ForbidI can't let you destroy it
Pronunciation🇬🇧 //fəˈbɪd//🇺🇸 //fərˈbɪd//🇬🇧 //aɪ kɑːnt lɛt jʊ dɪsˈtrɔɪ ɪt//🇺🇸 //aɪ kænt lɛt jʊ dɪsˈtrɔɪ ɪt//
MeaningTo not allow something.I can't allow you to damage it.
ExampleThe school decided to forbid cell phones during classes.I can't let you destroy it, it's too important to me.
RegisterFormalNeutral
How commonBeyond 10,000 (less common)Top 2,000 (common)
CEFR levelB2-
Part of speechverb
Collocationsforbid someone to do something, forbid access, forbid entry, forbid alcohol, forbid uselet someone do something, destroy something valuable, can't allow this action, stop someone from acting, prevent damage
Antonymspermit, allow, authorize-
Common mistakesConfusing with 'prohibit' - 'forbid' is more personal, while 'prohibit' is often legal., Using the wrong tense - ensure proper tense matching with 'forbade' in the past., Misplacing 'to' - do not say 'forbid to do something', just use 'forbid someone to do something'.Confusing 'let' with 'allow' - they have similar meanings but are used differently., Using 'don’t' instead of 'can’t' - 'don’t' is not suitable for expressing inability., Wrong tense - ensure consistency in verb tenses in the sentence.
Usage notesUse 'forbid' in formal contexts where strict rules or laws apply. It's not common in casual conversations.Used to express disapproval or prevent an action. Appropriate in serious or casual contexts but may sound harsh if overused.

See it in real clips

I can't let you destroy it

Frequently asked questions: Forbid vs I can't let you destroy it

What's the difference between Forbid and I can't let you destroy it?

Forbid: To not allow something. I can't let you destroy it: I can't allow you to damage it.

Which is more formal: Forbid and I can't let you destroy it?

Forbid is the most formal of these.

Which is more common: Forbid and I can't let you destroy it?

I can't let you destroy it is the most common in everyday English.

Can you show an example of each?

Forbid: The school decided to forbid cell phones during classes. I can't let you destroy it: I can't let you destroy it, it's too important to me.

Can I use Forbid and I can't let you destroy it interchangeably?

Not always. Forbid and I can't let you destroy it 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.

Related comparisons