牛津高中英語語法復習：動詞時態
he is used to a vegetarian diet.
scarf is used to taking a walk.(現在習慣于散步)
典型例題
---- your phone number again? i ___ quite catch it.
---- it's 69568442.
a. didn't b. couldn't c. don't d. can't
答案a. 本句雖沒有明確的時間狀語，但從語意上看 出，在聽的時候沒有聽懂這個動作發生在過去，因此應用過去時。
4 一般將來時
1) shall用于第一人稱，常被will 所代替。
will 在陳述句中用于各人稱，在爭求意見時常用于第二人稱。
which paragraph shall i read first.
will you be at home at seven this evening?
2) be going to +不定式，表示將來。
a. 主語的意圖，即將做某事。
what are you going to do tomorrow?
b. 計劃，安排要發生的事。
the play is going to be produced next month。
c. 有跡象要發生的事
look at the dark clouds, there is going to be a storm.
3) be +不定式表將來，按計劃或正式安排將發生的事。
we are to discuss the report next saturday.
4) be about to +不定式，意為馬上做某事。
he is about to leave for beijing.
注意：be about to 不能與 tomorrow, next week 等表示明確將來時的時間狀語連用。
5 be going to / will
用于條件句時， be going to 表將來
will 表意愿
if you are going to make a journey, you'd better get ready for it as soon as possible.
now if you will take off your clothes, we will fit the new clothes on you in front of the mirror.
6 be to和be going to
be to 表示客觀安排或受人指示而做某事。
be going to 表示主觀的打算或計劃。
i am to play football tomorrow afternoon. (客觀安排)
i'm going to play football tomorrow afternoon. (主觀安排)
7 一般現在時表將來
1）下列動詞：come, go, arrive, leave, start, begin, return的一般現在時表將來。這主要用來表示在時間上已確定或安排好的事情。
the train leaves at six tomorrow morning.
when does the bus star? it stars in ten minutes.
2）倒裝句，表示動作正在進行，如：
here comes the bus. = the bus is coming.
there goes the bell. = the bell is ringing.
3）在時間或條件句中。
when bill comes (不是will come), ask him to wait for me.
i'll write to you as soon as i arrive there.
4）在動詞hope, take care that, make sure that等后。
i hope they have a nice time next week.
make sure that the windows are closed before you leave the room.
8 用現在進行時表示將來
意為："意圖"、"打算"、"安排"、常用于人。常用詞為 come, go, start, arrive, leave, stay等。
i'm leaving tomorrow.
are you staying here till next week?
9 現在完成時
現在完成時用來表示之前已發生或完成的動作或狀 態，其結果的確和現在有聯系。動作或狀態發生在過去 但它的影響現在還存在；也可表示持續到現在的動作或 狀態。其構成： have (has) +過去分詞。