1.構成:
①.should / would do
a. He said he would go to Shanghai for the holiday.
b. He told me that I should succeed.
②.was / were going to do
a. They were going to have a meeting.
b. The students were going to plant some trees around the playground.
③.was / were (about) to do
a. We were to finish the work in three days.
b. I was about to go out when a friend dropped in.
2.用法: 表示在將來的某一時刻之前將要完成的動作, 這一動作也可能繼續(xù)進行
a. By seven o’clock this afternoon we shall have arrived in Shanghai if the train keeps good line.
b. Before noon we will have completed this work.
1.構成: shall / will have done
2.用法:
①.表示將來某時間點或時間段內將在進行的動作
a. This time tomorrow we will be talking with the boss about this matter.
b. I will be studying in this university for the next four years.
②.表示說話人感到某事即將發(fā)生或預計要發(fā)生某事
a. I will be seeing him next month.
b. We will be taking our holiday at the seaside in July.
c. He will be arriving at six tomorrow morning.
1.構成: shall / will be doing
4.be about to do sth, 此結構表示“立刻, 馬上”要做某事或發(fā)生某情況
a. We are about to leave.
b. Autumn harvest is about to start.
3.be +動詞不定式, 此結構表示職責, 義務, 意圖, 約定, 可能性等
a. You are to be back by 10 o’clock.
b. There is to be a sports meet next week.
c. We are to meet at the school gate.
2.be going to do sth, 此結構表示打算最近或將來要做某事, 或說話人根據己有跡象認為非�？赡芗磳l(fā)生的事
a. I am going to meet Tom at the station at six.
b. He is going to stay here for a week.
c. Look at these black clouds --- it is going to rain.
d. I am afraid I am going to have a bad cold.
1.shall / will do (shall用于第一人稱), 此結構表示單純的將來, 不涉及主語的主觀意愿
a. I shall be twenty years old next year.
b. You will meet him at the station this afternoon.
c. The train will arrive soon.
2.用法: 表示一直持續(xù)進行到過去某一時刻的動作, 該動作可能剛剛結束, 也可能還在進行
a. I had been waiting for two hours before the manager came down to see me.
b. By the end of 1998 he had been learning English for five years.
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