高中英语语法之容易混淆的时态比较
ten years before he came to our school.
本句中 work 的工作状态延续了ten years,直到before he came to our school为止。
He ________( be ) ill for weeks when he asked for sick leave.
She told me she always_________( work in the countryside since she graduated from a college.
本句中 work in the countryside的工作状态自graduated from a college开始,一直延续至she told me的时候。
3.在一段情景连贯的文字中,先发生的事放在后面叙述时,要用过去完成时。
She felt helpless,not knowing what to do. Her husband _________( die ) and left her no money.
她觉得孤立无援,不知所措,她丈夫去世了,没留给她财产。
在本句中,she felt helpless…发生在过去,而 die 则发生在felt helpless之前。
4.表示过去未实现的希望、计划、打算或原本的想法时用过去完成时。常用的动词有think,suppose,hope,want,expect,plan等。
I ____________(think) he had died.
我原以为他已死了。
They _________(want) to catch the first bus,but they didn't get up early enough.
他们本想赶头班车,但起得不够早。
5.在宾语从句中,所叙述之事虽发生于主动词之前,但从句中有一个确定的.表示过去的时间状语时或叙述的是历史事实时,从句中时态用一般过去时。
The teacher said that Columbus ________(discover) America in 1492.
老师说哥伦布在1492年发现了美洲。
句中的discovered发生在said之前,但不用过去完成时had discovered。
6.叙述过去发生的一连串的动作或事件用and或but连接时,用一般过去时。
He ________(get) up, ________(dress) himself and then _________(go) downstairs to have breakfast.
他起身穿好衣服,然后就下楼吃早饭。
He ___________(buy) a volleyball but later _____(lose) it.
7.当主动词与宾语从句中谓语动词同时发生时,从句谓语动词用一般过去时或过去进行时。
He said he ________( know )several languages.
他说他懂好几门外语。
He was not sure what they _________( do ) at that time.
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