Can we use 'got' after 'had'?

Hi dear teachers.1 : ''We can’t use ‘got’ after ‘had’ like ‘I have got a big house’ is an incorrect sentence, right?
2 : ‘‘Take to your heels from me’’ correct?
3 : ''Don’t read f.uk with bad intention.It has a different meaning. correct?
4 : I was reading a book.It was written ‘‘He ate all the cake’’ my question is,why not ‘‘all the cakes’’?
5 : Statements,
i : You must bring it tomorrow.
ii : You may go now.
iii : You should tell her.
Question forms,
i : Must you bring it tomorrow?
ii : May you go now?
iii : should you tell her? right?
6 : Can we use ''on his request" or We should always use ‘‘at his equest’’?

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1 : ''We can’t use ‘got’ after ‘had’ like ‘I have got a big house’ is an incorrect sentence, right?– Wrong. ‘I’ve got a house’ is fine.

2 : ‘‘Take to your heels from me’’ correct?– No. What do you mean?

3 : ''Don’t read f.uk with bad intention.It has a different meaning. correct?– No, it is still an obscenity, however it is spelt.

4 : I was reading a book.It was written ‘‘He ate all the cake’’ my question is,why not ‘‘all the cakes’’?- Because there is only one cake, and he ate all of it.

5 :
i : Must I bring it tomorrow?
ii : May I go now?
iii : should I tell her?

6 : Can we use ''on his request" or We should always use ‘‘at his equest’’?-- Always use ‘at one’s request’.
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