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##### Unit 24. When I do / When I've done, When and if

~ 할 때,

#1. When I do (When)

"I'll call you when I get home from work" is a sentence with two parts:

- the main part : I'll call you    and

- the when part : when I get home from work

We do not use will in the when part of the sentence.

+ We'll go out when it stops raining.

+ When you are in Los Angeles again, give us a call.

+ (said to a child) What do you want to be when you grow up? 

b. The same thing happens after while / before / after / as soon as / until or till :

+ I'm going to read a lot of books while I'm on vacation.

+ I'll probably go back home on Sunday. Before I go, I'd like to visit a museum.

+ Wait here until(or till) I come back.

#2. When I've done (Present Perfect) 

a. You can also use the present perfect(have done) after when / after / until / as soon as:

+ Can I borrow that book when you've finished it?     너 그거 끝낸거면 나 책 좀 빌릴 수 있을까?

+ Don't say anything while Ben is here. Wait until he has gone.    벤이 여기있는 동안 아무것도 말하지마. 그가 가기까지 기다려.

b. If you use the present perfect, one thing must be complete before the other (so the two things do not happen together):

+ When I've called Kate, we can have dinner.

(First I'll call Kate, and after that we can have dinner.)

Do not use the present perfect if the two things happen together:

+ When I call Kate, I'll ask her about the party. (not When I've called)

#3. When and if 

a. If, we normally use the simple present (if I do / if I see, etc.) for the future:

+ It's raining hard. We'll get wet if we go out. (not if we will go)

+ I'll be angry if it happens again.

+ Hurry up! If we don't hurry, we'll be late.

b. Compare when and if:

* We use when for things that are sure to happen:

+ I'm going shopping later. (for sure) When I go hopping, I'll get some cheese.

* We use if for things that will possibly happen:

+ I might go shopping later. (it's possible) If I go shopping, I'll get some cheese.

+ If it is raining tonight, I won't go out. (not When it is raining)

+ Don't worry if I'm late tonight. (not when I'm late)

+ If they don't come soon, I'm not going to wait. (not When they don't come)

# Exercises

+ I'm going out now. If anybody calls while I am out, can you take a message?

+ I'll fine a place to leave to live. Then I'll give you my address.

=> I'll give you my address when I find a place to live.

+ I'll go shopping. Then I'll come straight home.

=> I'll come straight home after I do the shopping or I've done the shopping.

+ It's going to get dark. Let's go home before that.

=> Let's go home before It gets dark.

+ You want to sell your car. Jim is interested in buying it, but he hasn't  decided yet. 

You ask: Can you let me know as soon as you decide or you've decided?

+ The traffic is very bad in your town, but they are going to build a new road. 

You say: I think things will be better when they build the new road or have built the new road.

+ We can eat at home, or if you prefer, we can go to a restaurant.

##### Unit 23. Will be doing and will have done

미래진행과 미래완료

#0. Study this example situation:

Now, these people are standing in line to get into the stadium.

An hour from now, the stadium will be full.

Everyone will be watching the game.

Three hours from now, the stadium will be empty.

The game will have ended. Everyone will have gone home.

#1. Will be doing (Future Continuous)

a. I will be doing something (future continuous) = I will be in the middle of doing it:

+ I'm leaving on vacation this Saturday. This time next week, I'll be lying on the beach or swimming in the ocean.

+ You have no chance of getting the job. You'll be wasting your time if you apply for it.

* Compare will be doing with other continuous forms:

- past: At 10:00 yesterday, Kelly was at the office. She was working.  어제 10시에 켈리는 사무실에서 일하고 있었다.

- present: It's 10:00 now. She is at the office. She is working.  지금은 10시다. 그녀는 사무실에서 일하고 있다.

- future: At 10:00 tomorrow, she will be at the office. She will be working.  내일 열시에, 그녀는 사무실에서 일하고 있을 것이다.

b. We also use will be doing to talk about complete actions in the future. (필요한 것이 완전히 갖춰진, 완전한 행동)

In these examples, will be -ing is similar to (be) going to ...

#2. Will have done (Future Perfect)

a. We use will have done to say that something will already be complete before a time in the future. (미래의 어느 시점에 이미 완료될 일)

+ Sally always leaves for work at 8:30 in the morning. She won't be at home at 9:00 - She'll have gone to work.

+ We're late. The movie will already have started by the time we get to the theater.

* Compare will have done with other perfect forms: 

- present perfect: Ted and Amy have been married for 24 years.

- future perfect: Next year they will have been married for 25 years.

- past perfect: When their first child was born, they had been married for three years.

# Exercises

+ Josh goes to work every day. After breakfast, he leaves home at 8:00 and arrives at work at about 8:45. He starts work immediately and continues until 12:30, when he has lunch (which takes about half an hour). He starts work again at 1:15 and goes home at exactly 4:30. Every day follows the same routine, and tomorrow will be no exception.

+ Call me after 8:00. We'll have finished dinner by then.

+ Ben is on vacation, and he is spending his money very quickly. If he continues like this, he will have spend all his money before the end of his vacation.

+ Lisa is from New Zealand. She is traveling around South America right now. So far she has more than 3,000 miles.

(* 그래서 지금까지... 이런의미)

+ If you need to contact me, I'll be staying at the Bellmore Hotel until Friday.

##### Unit 22. I will and I'm going to

I will과 I'm going to 비교

# 1. Future actions

Will		(be) going to
- We use will when we decide to do something at the time of speaking.   - The speaker has not decided before.  - To do Something is a new idea.		- We use (be) going to when we have already decided to do something.   - The speaker has already decided before.
+ A: Daniel called while you were out.     B: OK. I'll call him back.		+ A: Daniel called while you were out.     B: Yes, I know. I'm going to call him back.
+ A: Anna is in the hospital.     B: Oh really? I didn't know. I'll go and visit her.		+ A: Anna is in the hospital.     B: Yes, I know. I'm going to visit her tonight.

a. Sometimes there is not much difference between will and going to. 

+ I think the weather will be nice later.

+ I think the weather is going to be nice later.

b. When we say something is going to happen, we think this because of the situation now

(지금 상황으로 인해 일어날 뭔가를 이야기 하는 경우 be going to로 이야기 함)

+ Look at those black clouds. It's going to rain. 

=> not It will rain, because we can see that it is going to rain from the clouds that are in the sky now.

+ I feel terrible. I think I'm going to be sick.

=> not I think I'll be sick, because I think I'm going to be sick because I feel terrible now.

Do not use will in this type of situation. (어떤 상황 이야기 후 그걸로 인해 일어난 뭔가를 이야기 할 때는 will을 사용하지 않음)

In other situations, use will. (이 경우가 아니면 will을 써도 됨)

+ Tom will probably get here at about 8:00.

+ I think Jessica will like the present we bought for her.

+ These shoes are very well made. They'll last a long time.

cf. http://jiming.tistory.com/366

When we predict a future happening or situation, we use will/won't.

+ This is a very long line!   Don't worry. we'll get in. 

# Exercises

+ Oh, I'm sorry. I completely forgot. I will do it now.

+ A: The ceiling in this room doesn't look very safe, does it?

   B: No, it looks as if it is going to fall down.

+ It's a nice day, so you have decided to take a walk. Just before you go, you tell your friend.

=> The weather's too nice to stay indoors. I'm going to take a walk. (because of the situation now)

+ You and a friend come home very late. Other people in the house are asleep. Your friend is noisy.

=> Shh! Don't make so much noise. You will take everybody up.

+ John has to ho to the airport to catch a plane tomorrow morning.

John: Ann, I need a ride to the airport tomorrow morning.

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