I think all this and all that are used commonly but I have never seen all it before. What do you think? And the meaning of all this / that is all of this / that or everything in the context?
Thank you so much as usual and take good care.
Top answer
( 3) is incorrect. More common sayings are: Let's forget all about it. (Let's) forget it.
— AlpheccaStars
( 3) is incorrect.
More common sayings are: Let's forget all about it.
(Let's) forget it.
I don't hear your #1 or #2 very much, either.
It would mean to forget everything that you had been discussing..
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