Các câu trả lời của mình là:
Câu 1:
If I had known that you had difficulty, I would have given you my help
Câu 2:
If the meadow is larger, the farmer would raise cattle and sheep there
Câu 3:
If you ask the teacher, he will explain the lesson to you
Câu 4:
If you had arrived earlier, you would not have lost the most interesting show
Câu 5:
If the <river>banks weren't covered with needs, you would be able to<could> go swimming
Câu 6:
If she takes us to the circus, she will get some tickets
Câu 7:
If he had books, he could write essay better
Câu 8:
If he had learned his lessons carefully, he would be able to<could> do that exercise
Mời bạn tham khảo các cấu trúc bên dưới!

Mong các câu trả lời giúp ích cho bạn!!!

`1.` If I had known that you had difficulty, I would have given you my help

`2.` If the meadow is larger, the farmer would raise cattle and sheep there

`3.` If you ask the teacher, he will explain the lesson to you

`4.` If you had arrived earlier, you would not have lost the most interesting show

`5.` If the <river>banks weren't covered with needs, you would be able to<could> go swimming

`6.` If she takes us to the circus, she will get some tickets

`7.` If he had books, he could write essay better

`8.` If he had learned his lessons carefully, he would be able to<could> do that exercise

_________________________________________

`-` Áp dụng:

`+)` Câu điều kiện loại `1`:

`->` If + thì hiện tại đơn, S + will + V

`+)` Câu điều kiện loại `2`:

`->` If + thìquá khứ đơn, S + would + V

`+)` Câu điều kiện loại `3`:

`->` If + thì quá khứ hoàn thành, S + would have + V