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"is to do" VS "is do"

Posted: Sat Jun 11, 2022 9:22 am
by 88922493
(in these cases the "to" in the predicate part is optional)
All I want to do is (to) turn it . . .
What I want to do is (to) turn it . . .
The best thing to do is (to) turn it . . . (easiest, first, next, etc.)




What is seems to be is: if there is a "to do" in the subject clause then the second "to" can be omitted in the predicate part.
but what about these sentences(with just a "do" in the subject clause):

"What we should do is fight" or "What we should do is to fight"
"What AI would do is generate on itself an image" or "What AI would do is to generate on itself an image"

Are all of the sentences above correct?

does the exclusion of "to" in the subject clause affect the optionality of the "to " in the predicate part?

Re: "is to do" VS "is do"

Posted: Sat Jun 11, 2022 9:32 am
by 88922493
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