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If + S1 + V (s, es), S2 + will/may/should/can… + V-inf thuộc loại nào? diễn tả hành động gì?
1. hành động có thể xảy ra ở hiện tại hoặc tương lai.
If he’s not busy, he ........ to pick me up ( come)
will come
..... he not be busy, he’ll come to pick me up.
Should
đỔI THÀNH CÂU ĐIỀU KIỆN 1. You’re unhealthy because you don’t do exercise.
If you do exercise, you will be healthy.
Stop talking or you will wake the children up. đổi sang câu đkien
If you keep talking, you will wake the children up./ If you stop talking, you won't wake the children up.
If + S1 + V_ed, S2 + would/might/could… + V-inf thuộc loại ddkien nào? diễn tả hành động j?
2. một sự việc không có thật ở hiện tại
If I ........ you, I wouldn’t be so rude to her.
were
..... I you, I wouldn’t be so rude to her.
Were
1. His father often punishes him for his laziness. đổi sang đk
If he weren’t lazy, his father wouldn’t punish him.
I can’t come because I have to help my dad with something. đổi sang đk
I’d come if I didn’t have to help my dad with something.
If + S1 + had + V3, S2 + would/might/could… + have + V3. thuộc loại đki nào
3. sự việc hoặc hành động không có thật ở quá khứ.
If they .... asked me, I could have given them some advice
had
He didn’t study his lessons very carefully, so he got bad grades. đổi sang đki
If he had studied his lessons very carefully, he would have gotten good marks now
Mary got lost because she didn’t have a map. đổi sang đkien
If Mary had had a map, she wouldn’t have gotten lost.
a) If the rice paddies are polluted, ... (rice plants/die)
rice plants will die.
b) If we go on littering, ... (environment/become / seriously polluted)
the environment will become seriously polluted.
