don't know if to vs don't know whether to

Both "don't know if to" and "don't know whether to" are commonly used in English, but they are used in slightly different contexts. "Don't know whether to" is more formal and is often used when presenting options or decisions. On the other hand, "don't know if to" is more informal and is used when expressing uncertainty or indecision.

Last updated: April 08, 2024 • 325 views

This phrase is correct and commonly used in informal contexts to express uncertainty or indecision.

"don't know if to"

This phrase is used in informal situations to express uncertainty about a decision or action. It is often followed by a verb in the infinitive form.

Examples:

I don't know if to go to the party or stay home.
She doesn't know if to accept the job offer.
They don't know if to buy a new car or repair the old one.
He doesn't know if to tell her the truth or keep it to himself.
We don't know if to trust him or not.

Show examples from the web [+]

don't know if to
And I repeat this. I don't know if to some extent I have addressed your concern... Thank you.
Don't know if going to the Roadhouse is smart.
Don't know if I want to remember today.
I don't know if that matters to anyone else, so...
We don't know if they intended to kill both of you or not.
I don't know if I subscribe to that philosophy.
I don't know if I want to comment on that.
I don't know if you wanted to pay your respects.
We don't know if he really tried to kill himself.
I don't know if it's enough to stop Condor.
I don't know if I'm able to continue with...
I don't know if I'm going to the police.
We don't know if he really tried to kill himself.
I just don't know if he's up to something.
Don't know if it'll live to tell the tale, either.
I don't know if we're coming to Thanksgiving.
I don't know if I should go to police.
I don't know if Sean will want to.
I don't know if we still go to hell.
I don't know if he brought us to war.

Alternatives:

don't know whether to
can't decide whether to
unsure if to
uncertain whether to
undecided on whether to

This phrase is correct and commonly used in formal contexts to present options or decisions.

"don't know whether to"

This phrase is used in formal situations to present options or decisions. It is often followed by a verb in the infinitive form.

Examples:

I don't know whether to go to the meeting or not.
She doesn't know whether to buy the blue dress or the red one.
They don't know whether to invest in stocks or bonds.
He doesn't know whether to take the job offer or wait for a better one.
We don't know whether to move to a new city or stay where we are.

Show examples from the web [+]

Well, I don't know whether to feel hurt or flattered.
We don't know whether to take initiative now or wait.
You don't know whether to thank the guy or arrest him.
I don't know whether to fight her or...
I don't know whether to laugh or cry.
I don't know whether to be scared or oddly comforted by that.
I don't know whether to be happy they exist or totally grossed out.
I don't know whether to feel honored or insulted.
I don't know whether to be shocked or impressed.
I don't know whether to be horrified or just plain jealous.
I don't know whether to be impressed or concerned.
I don't know whether to be impressed or terrified.
MARIANNA I don't know whether to laugh or cry.
You don't know whether to run or stay.
I don't know whether to count the bunny or not.
I don't know whether to scream or cry.
I honestly don't know whether to wish you luck or not.
I don't know whether to cry or to laugh.
I don't know whether to cry or explode from anger.
I don't know whether to look for a giant or a midget.

Alternatives:

don't know if to
can't decide if to
unsure whether to
uncertain if to
undecided on if to

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don't know if to vs don't know whether to

"don't know if to"

"don't know whether to"

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