1/ Had I realized what happen, I wouldn't have accepted the job.

⇒ $Đảo$ $ngữ$ $câu$ $điều$ $kiện$ $loại$ $3$:

Had + S1 + (not) + past participle, S2 + would/might/could… + have + past participle

2/ Were I you, I would study hard.

⇒$Đảo$ $ngữ$ $câu$ $điều$ $kiện$ $loại$ $2$:

Were + S1 + (not) + O, S2 + would/might/could… + V (infinitive)

3/ If she hadn't been absent from class yesterday.

⇒ $Câu$ $điều$ $kiện$ $loại$ $3$ :

If + S1 + had + V(pp)/Ved, S2 + would/ could…+ have + V(pp)/Ved

4/ If I knew his phone number, I could phone him.

⇒ $Câu$ $điều$ $kiện$ $loại$ $2$ :

If + S1 + V2/ Ved, S2 +would/ Could/ Should…+ V

5/ If he had studied hard, he wouldn't have got bad points.

⇒ $Câu$ $điều$ $kiện$ $loại$ $3$ :

If + S1 + Had + V(pp)/Ved, S2 + would/ could…+ have + V(pp)/Ved

1 If I had realized what happen , I wouldn't have accepted the job

- > Had I realized what happen, I wouldn't have accepted the job

( Này là đảo ngữ câu điều kiện loại 3)

2 If I were you . I would study hard

- > Were I you, I would study hard

( Đảo ngữ câu điều kiện loại 2)

3 She can't solve the test now because she was absent from class yesterday

- > If she had absented from class yesterday, she could solved the tets now.

( If hỗn hợp vì mệnh đề sau because là quá khứ mà mệnh đề trước because là hiện tại. Dấu hiệu nhận biết If hỗn hợp có từ now )

4 I don't know his phone number , so I can't phone him

- > If I knew his phone number, I could phone him.

(If 2 vì nó không có thật ở hiện tại)

5 He didn't study hard , so he got bad points

- > If He had studied hard, he would have got bad points.

( If 3 vì nó không có thật ở quá khứ. Dấu hiệu nhận biết là có 2 từ ở thì quá khứ là didn't và got )