I/I’ll bet!
phrase
Used to express certainty that something will happen, or is true.
I'll bet he forgets to pick up the milk on his way home.
Often appears as...
- i'll bet you
- i bet he/she
Usage tips
Informal
Colloquial
phrase
Used to express hope or desire for something to happen.
I'll bet we win the game tonight.
Often appears as...
- i'll bet we
- i'll bet you hope
Usage tips
Informal
Colloquial
phrase
Used to express certainty that something will happen, or is true.
I'll bet he forgets to pick up the milk on his way home.
Often appears as...
- i'll bet you
- i bet he/she
Usage tips
Informal
Colloquial
phrase
Used to express hope or desire for something to happen.
I'll bet we win the game tonight.
Often appears as...
- i'll bet we
- i'll bet you hope
Usage tips
Informal
Colloquial
Definition 1 of 2
Pro Tip 1/3Express Certainty
Use it when you're almost sure about an outcome, showing a strong belief.
I bet the teacher will assign homework over the weekend.
Pro Tip 2/3Colloquial Assurance
It's informal and used in everyday conversation rather than in formal writing.
I'll bet the new restaurant is packed tonight.
Pro Tip 3/3Predicting Behavior
Often used to predict someone's actions based on what you know about them.
I bet she's going to be late again.
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