时间状语： every…, sometimes, at…, on Sunday
I leave home for school at 7 every morning.
The earth moves around the sun.
Shanghai lies in the east of China.
Pride goes before a fall. 骄者必败。
例：Columbus proved that the earth is round..
I don‘t want so much.
Ann Wang writes good English but does not speak well.
比较：Now I put the sugar in the cup.
I am doing my homework now.
第一句用一般现在时，用于操作演示或指导说明的示范性动作，表示言行的瞬间动作。再如：Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志，表示正在进行的动作的客观状况，所以后句用一般现在时。
时间状语有：yesterday, last week, an hour ago, the other day, in 1982等。
Where did you go just now?
When I was a child, I often played football in the street.
Whenever the Browns went during their visit, they were given a warm welcome.
It is time for sb. to do sth “到……时间了” “该……了”
It is time sb. did sth. “时间已迟了” “早该……了”
It is time for you to go to bed. 你该睡觉了。
It is time you went to bed. 你早该睡觉了。
would (had) rather sb. did sth. 表示’宁愿某人做某事‘
I’d rather you came tomorrow.
4) wish, wonder, think, hope 等用过去时，作试探性的询问、请求、建议等。
I thought you might have some. 我以为你想要一些。
Christine was an invalid all her life.
Christine has been an invalid all her life.
Mrs. Darby lived in Kentucky for seven years.
Mrs. Darby has lived in Kentucky for seven years.
1）动词want, hope, wonder, think, intend 等。
Did you want anything else?
I wondered if you could help me.
2）情态动词 could, would.
Could you lend me your bike?