Bài giảng Chuyên đề Sinh hoạt chuyên môn - Đảo ngữ trong câu điều kiện (Inversion in conditional sentences)

 inversion in
CONDITIONAL SENTENCES I. REVISION
 “IF” clause Main clause
 Zero If +S + V(Simple present tense), S + V(Simple present tense)
 TYPE I If + S + V (present tenses)+.., S + will/can+ V (bare inf)
 Note: - imperative or request
 Eg: If he comes, tell me.
 TYPE II If + S + V(simple past) +.., S + would/might/ + V (bare inf)
 Note : tobe were
 Eg: He’d come here If he were you
 TYPE III If + S + had + PII +, S + would/might + have + PII+
 MIXED If + S + had + PII + , S + would/might/ + V (bare inf) 2. INVERSION IN CONDITIONAL SENTENCE TYPE I
 Eg: If he has money, he will buy a new car.
=> Should he have money, he will buy a new car.
 Should + S + V(bare inf)+, S + will
 can +(not)+ +V(bare inf)+
 may
 ..
 1 . Please mail this letter for me if you go to the post office. 
 => Please mail this letter for me should you go to the post office. 
 2. If he tries much more, he’ll improve his English. 
=> Should he try much more, he’ll improve his English. 4. INVERSION IN CONDITIONAL SENTENCE TYPE III
 Eg: If he had tried his best, he would have passed the exams. 
 => Had he tried his best, he would have passed the exams.
 Had + S + PII +, S + would
 could (not) + have + PII +.
 should
 ..
 1. If we had lost our way, we wouldn’t have arrived sooner.
 => Had we lost our way, we wouldn’t have arrived sooner.
 2. She would have stayed at home if it had rained.
 => She would have stayed at home had it rained. Note : Ở dạng phủ định, “not” được đặt sau chủ ngữ:
 Eg1: If it hadn’t been so late, we would have called you. 
 Had it not been so late, we would have called you.
 Eg2: If you don’t study hard, you won’t pass the next exams.
 Should you not study hard, you won’t pass the next exams.
 Eg3: You would be late for school if you didn’t get up early.
 You would be late for school were you not to get up early. III. PRACTICE
I. Choose the best option A, B, C, or D to complete the following sentences.
1. Please tell him to wait for me if he.
A. appear B. appears C. to appear D. appeared 
2.I in your position, I wouldn’t do that.
 A. Am B. Would C. Were D. If 
3. Had I..her to my party, it would have been more fun.
 A. invite B. invited C. inviting D. to invite
4..she heat water to 100ºC, it boils.
A. Would B. Were C. Had D. should
5.I.you sooner had someone told me you were in hospital.
A. would have visited B. visited C. have visited D. visit
6. If he..the train, he wouldn’t be here now.
A. misses B. missed C. missing D. had missed
7. Were Imore time, my report would be better
A. have B. to have C. having D. had
8. Hesleepy now had he gone to bed early last night.
A. wouldn’t have felt B. won’t feel C. wouldn’t feel D. felt
9. Were he here, he..me.
A. will see B. can see C. would see D. saw
10. .. hard, he would have won the match. 
A. Did he trained B. If he trained C. If he would trained D. Had he trained III. PRACTICE
 I. Choose the best option A, B, C, D to complete the following sentences.
 1. Please tell him to wait for me if he.
 A. appear √ B. appears C. to appear D. appeared 
 2.I in your position, I wouldn’t do that.
 A. Am B. Would √ C. Were D. If 
 3. Had I..her to my party, it would have been more fun.
 A. invite √ B. invited C. inviting D. to invite
 4..she heat water to 100ºC, it boils.
 A. Would B. Were C. Had √ D. should
 5.I.you sooner had someone told me you were in hospital.
√A. would have visited B. visited C. have visited D. visit
 6. If he..the train, he wouldn’t be here now.
 A. misses B. missed C. missing √ D. had missed
 7. Were Imore time, my report would be better
 A. have √ B. to have C. having D. had
 8. Hesleepy now had he not gone to bed early last night.
 A. wouldn’t have felt B. won’t feel √ C. wouldn’t feel D. felt
 9. Were he here, he..me.
 A. will see B. can see √ C. would see D. saw
 10. .. hard, he would have won the match. 
 A. Did he trained B. If he trained C. If he would trained √ D. Had he trained Types Forms Inversion in conditional sentences
 ZERO: Hành động S + V (simple present tense)+.., Should + S + (not)+ V (bare inf), 
 luôn đúng hoặc sự S + V (simple present tense)+
 thật hiển nhiên. S + V (simple present tense)+
 Type I: Tình huống có S + V (present tenses)+.., Should + S + (not)+ V (bare inf), 
 thể xảy ra ở hiện tại S + will/can+ V (bare inf)+ S + will/can + V (bare inf)+
 hoặc tương lai.
Type II: Tình huống giả If + S + V(simple past) +.., * Were + S + (not) +to +Vbare inf , 
định, không thể xảy ra S + would/might/ + V (bare S + would/might/ + V (bare 
ở hiện tại, không có inf)+. inf)+
 Note : tobe were * Were + S + (not) + , S + 
thực ở hiện tại.
 would/might/ + V (bare inf)+
Type III: Tình huống If + S + had + PII + ,S + Had + S + (not) + PII, S + 
trái thực tế trong would/might + have + PII+ would/might + have + PII
quá khứ.
Mixed:Sự việc trái If + S + had + PII +, S + Had+S +PII +,S+would/
với Quá khứ dẫn would/might/ + V (bare inf) could (not) + V-bare inf +.
đến một kết quả 
trái với hiện tại. III. Identify the mistakes and correct them.
1.Hadn’t you told me that this was going to happen, I would have never believed.
 A B C D
2.If were I to leave my country, I would be disappointed.
 A B C D
3. Were you to win a million pound, what would you done with the money?
 A B C D
4. Should he takes me to school, I won’t be late.
 A B C D
5. I think you would have succeeded if had you done as I told you.
 A B C D III. Identify the mistakes and correct them.
1.Hadn’t you told me that this was going to happen, I would have never believed.
 A Had you not told B C D
2.If were I to leave my country, I would be disappointed.
 A if B C D
3. Were you to win a million pound, what would you done with the money?
 A B C DD do
4. Should he takes me to school, I won’t be late.
 A B take C D
5. I think you would have succeeded if had you done as I told you.
 A B CC D
 had Types Forms Inversion in conditional sentences
 ZERO: Hành động S + V (simple present tense)+.., Should + S + (not)+ V (bare inf), 
 luôn đúng hoặc sự S + V (simple present tense)+
 thật hiển nhiên. S + V (simple present tense)+
 Type I: Tình huống có S + V (present tenses)+.., Should + S + (not)+ V (bare inf), 
 thể xảy ra ở hiện tại S + will/can+ V (bare inf)+ S + will/can + V (bare inf)+
 hoặc tương lai.
Type II: Tình huống giả If + S + V(simple past) +.., * Were + S + (not) +to +Vbare inf , 
định, không thể xảy ra S + would/might/ + V (bare S + would/might/ + V (bare 
ở hiện tại, không có inf)+. inf)+
 Note : tobe were * Were + S + (not) + , S + 
thực ở hiện tại.
 would/might/ + V (bare inf)+
Type III: Tình huống If + S + had + PII + ,S + Had + S + (not) + PII, S + 
trái thực tế trong would/might + have + PII+ would/might + have + PII
quá khứ.
Mixed:Sự việc trái If + S + had + PII +, S + Had+S +PII +,S+would/
với Quá khứ dẫn would/might/ + V (bare inf) could (not) + V-bare inf +.
đến một kết quả 
trái với hiện tại.