By Indirect questions, Present tenses

Only one s in present!!! You can't use will with the stative verbs in this construction: } _______Your example with make sure does not belong to the pattern above. There's no indirect question.Make sure (that) you come back soon.A make sure that pattern is not followed by a future...

I know 'would' carries many meanings. My problem is sometimes I find it difficult to tell which meaning the speaker uses. I think I understand its hypothetical usage, and in some contexts, its politeness usage. Below is a post that has several woulds I have trouble interpreting. I also...

Yes. I thought maybe that's what you were referring to. would in an if clause is possible when the would or the entire if-clause is part of a formula of politeness. if you would be so kind is a typical example of if with would in a "politeness phrase". This formula is equivalent to please. ...

Yes. You may say either one. "when" is not used with "will" when it specifies the time at which something happens or should happen. "when" can be used with "will" (or without "will") in indirect questions. Therefore, in the reading of "at the time it happens", Let me know when it is...