`1.` This is the first time I have ever been to Paris.

Giải thích: This is the first time S have/has Vpp: Đây là lần đầu tiên ai đó làm gì.

`2.` The more you worry, the more difficult you will find it to get to sleep. 

Giải thích: The more adj S V, the more adj S V.

`3.` Have you been shown what to do?

Giải thích: Bị động HTHT dạng câu hỏi: Have/Has S been Vpp?

`4.` If only I had studied harder at school.

Giải thích: If only S V-lùi thì: Giá như

`5.` If I had known that Matt had to get up early, I would have woken him up.

Giải thích: Câu ĐK loại 3: If S had Vpp, S would/could/might have Vpp.

`6.` I suggest that she should visit the museum after lunch.

Giải thích: S suggest that S should V: khuyên ai đó làm gì.

`7.` What is the difference between your job and mine?

Giải thích: What is the difference between A and B? (A và B khác nhau ở điểm nào?)

@ `Ly`

This is the first time i have been to paris

 The more you worry, the more dificult you will find to get to sleep.

Have you been shown what to do

If only i had studied had at school

If i had known that Tom had get up early, i would have waken him up

I suggest that she should visit museum after lunch

What is the different between your job and mine