① 表示经常性或习惯性的动作，常与表示频度的时间状语连用。时间状语有：always， usually， often， sometimes， every week （day， year， month…）， once a week， on Sundays等。
例：I leave home for school at 7 every morning.
The earth moves around the sun.
Shanghai lies in the east of China.
Failure is the mother of success. 失败乃成功之母。
I like Chinese food.
I don't want so much.
Ann Wang writes good English but does not speak well.
1. 时间状语从句、条件状语从句用一般现在时代替将来时。如：when， before， after， till， once， as soon as， if， in case （that）， unless，等。
He is going to visit her aunt the day he arrives in Beijing. 他一到北京，就去看他姨妈。I will call you as soon as I go back home. 我一到家就给你电话。
注：1. 可以代替as soon as表示一……就的词语：the moment、the minute、immediately、instantly
例：If you have any problem， please contact me. （主祈从现）
If you have any problem， you can contact me.（主情从现）
A. sb didn't do sth until sb did sth.
I didn't go home until I finished my homework yesterday. 我昨天直到完成作业才回家
B. sb won't do sth until sb do/does sth.（主将从现）
I won't leave until you come tomorrow. 我明天会直到你过来才会离开。
答案：We didn't go home until we finished repairing desks and tables.
答案：Sometimes， you won't know the true value of a moment until it becomes a memory.
2. 用于表示较固定的，按计划、规定将要发生的动作，但只限于begin， come， go， leave， arrive， stop， return， close， open， take， start， take place 等少数动作。
例：The train leaves Beijing at six and arrives at Jinan at nine.
句型：Here comes… ； There goes…
例：Look， here comes Mr. Li.
There goes the bell.
① be动词：was / were …
① was/ were + not
② didn't +动词原形
② Did + … + 动词原形……？
① 表示过去某一具体时间发生的动作或存在的状态，常用的时间状语有last year， yesterday， just now， in +过去年份， a few years ago， in the past.
例：Yesterday， I saw my friends off at the airport.
② 表示过去的经常性、习惯性动作或状态，常用的时间状语有always， often， usually， sometimes， seldom， never等
例：I always got up late and never had enough time for breakfast when I was a child.
① "will/ shall + 动词原形"构成将来时，表示将要发生的动作或将要存在的状态。shall仅用于第一人称I/we作主语，而will 则用于各种人称。常用于将来时的时间状语有：next time， tomorrow， this afternoon， before long，in the future， soon， the day after tomorrow.
例：I shall visit my teacher when I go to Beijing.
② "be going to + 动词原形"，表示打算、计划、安排做某事。
例：We are going to hold a sports meet next weekend.
③ begin， leave， arrive， start， finish， meet， return等动词的一般现在时，表示按计划或安排将要发生的事。（时刻表）
例：Flight 55 leaves at six p.m.
④ leave， go， come， stay， do， take， have 等动词的现在进行时，表示按计划或准备要做某事。
例：She is leaving early tomorrow morning. 明天她很早就出发。
⑤ "be to + 动词原形"，表示即将发生某事、安排做某事或要求做某事。
例：The meeting is to take place at 8：00 tomorrow.
⑥ "be about + to+动词原形"，表示即将发生某事，不与具体的将来时间状语连用
例：Hurry up！ The train for Shanghai is about to start.
注意：1. shall/will do和be going to do的区别
Fish will die without water.（趋势）
He will sit there doing nothing for hours.（习惯动作）
We haven't seen each other for a long time. Shall we have a dinner tonight？（临时性的打算）
be going to do表示提前计划、安排好的事情，或者表示有迹象发生
We are going to have a meeting at 8：00 tomorrow.（计划、安排）
Look at these clouds！ It's going to rain.（迹象发生事情）
The train leaves Beijing at 7：00.
They are having a meeting tonight.
① All the living things on the earth depend on the sun.
② The plane takes off at 5：00 a.m.
③ Unless it rains tomorrow， the sports meet will take place.
④ Our teacher told us the earth goes round the sun.
⑤ He sometimes stay up till midnight to catch up with others.
⑥ We always care for each other and help each other.
⑦ She is a teacher.
⑧ -Do you sing？ -A little.
① I didn't know you bought the present for me.
② The Great Wall came into being in 221BC.
③ We used to get up at five every morning when we were at school.
④ When I was in the factory， I often worked in the workshop.
⑤ The professor put one finger in his mouth， tasted it， and smiled with satisfaction.
① If you are going to do it， you had better do it well.
② If you will wait here， the manager will be back 10 minutes later.
③ We are to finish the work before five this afternoon.
④ He will be thirty years old next year.
⑤ No one is to leave the cinema without the police's permission
⑥ The train is about to start.
⑦ Look at the clouds， there is going to be a storm.
⑧ Will we clone a dinosaur？
⑨ You forgot to turn off the light！-Really， I will go and turn it off.
1. Please give Jim the schedule for tomorrow's conference when he _____ back. He is to chair the conference.
A. will come B. came C. comes D. is coming
2. Mr. Brown _____ his office an hour ago and he is still on his way home.
A. left B. leaves C. is leaving D. was leaving
3. Mr. Black ______Shanghai in a few days. Do you know when the earliest plane _____ on Sunday？
A. leaves； takes off B. is leaving； takes off
C. is leaving； is taking off D. leaves； is taking off
4. --- Do you have any plans for this Sunday？
--- Yes. I ____ my cousin who has just returned from America.
A. visit B. am visiting C. would visit D was visiting
5. --- I am trying to find yesterday's newspaper. Have you seen it ？
--- I am afraid that I ______ it away .I thought you had finished reading it .
A. threw B. had thrown C. throw D. will throw
6. You can not go out to play unless you ______your homework .
A. finished B. will finish C. finish D. are finishing
7. He looks excited because his parents ___________to her birthday party this weekend .
A. come B. have come C. are coming D. could come
8. ---Have you seen your aunt recently ？
---Yes. I to visit her last night.
A. went B. was going C. has gone D. will go
9. --- Look at that beautiful sky！
--- It looks like it a wonderful day.
A. was B. will be C. is going to be D. would be
10. Donny helped us get the tickets. We __________to Guangzhou next Wednesday.
A. flew B. fly C. are flying D. will have flown
11. Hurry up！ The train __________ at 7：00.
A. leaves B. left C. was leaving D. leave
12. It has been well accepted by most English learners that practice _______ perfect.
A. made B. will make C. makes D. make
13. --- How can I apply for an online course？
--- Just fill out this form and we _____ what we can do four you.
A. see B. are seeing C. have seen D. will see
14. - Have you read a book called Waiting for Anya？ - Who _______ it？
A. writes B. has written C. wrote D. had written
15. Scientists have many theories about how the universe ___ into being.
A. came B. was coming C. had come D. would come