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# System prepended metadata

title: 2022/3/30

---

# 2022/3/30

If + present 有可能發生

1. If you send this letter now, she will receive it tomorrow.
2. If I do this test, I will improve my English.
3. If I find your ring, I will give it back to you.
4. Peggy will go/ goes shopping if she has time in the afternoon.
只要Peggy下午有時間，他就會去購物
-> Peggy would go shopping if she had time in the afternoon. Peggy下午已經確定沒時間
5. Simon will go to London next week if he gets  a cheap flight.
6. If her boyfriend ~~did not~~ does not phone her today, she will leave him.
7. If they doesn't study  harder, they will pass the exam.
8. If it does rain/ rains tomorrow, I will not water the plants.
9. You will not be able to sleep if you watch this scary film.
10. Susan cannot move into the new house if it is not ready on time.





If + past 假設（跟現實不一樣）

1. If we had a yacht, we would sail the seven seas.
2. If he had more time, he would learn karate.
如果他現在有時間的話，他一定/就會去學karate（但是他現在很忙）
-> If he has more time (in the future), he will learn karate. 如果他（未來）有時間，他會去學karate
3. If they tell/told their father, he will/would be very angry.
4. She (spend)  a year in the USA if it (be)  easier to get a green card.
5. If I live/lived  on a lonely island, I will/would run around naked all day. 強調不可能去住無人島
6. We (help) you if we (know)  how.
7. My brother (buy)  a sports car if he (have)  the money.
8. If I (feel)  better, I (go)  to the cinema with you.
9. If you (go)  by bike more often, you (be / not)  so flabby.
10. She (not / talk)  to you if she (be)  mad at you.






If + had Vpp 過去的假設

1. If you had studied for the test, you would have passed it. 我已經知道我沒過
-cf. If I study for the test, I will pass it. 有可能會過
2. If you had asked me, I would/could have helped  you.
If we (go)  to the cinema, we (see)  my friend Jacob.
If you (speak)  English, she (understand) .
If they (listen)  to me, we (be)  home earlier.
I (write)  you a postcard if I (have)  your address.
If I (not / break)  my leg, I (take part)  in the contest.
If it (not/ start)  to rain, we (walk)  to the museum.
We (swim)  in the sea if there (not / be)  so many sharks there.
If she (take)  the bus, she (not / arrive)  on time.


If a scorpion stings/happens to sting you, please don’t follow my sister’s example.

If a scorpion stung you(which they don't) -> scorpions從來不遮人


