2023年專升本英語考前知識點總結
2023年專升本考試正在進行中,樂貞教育為大家整理了專升本考前英語知識點的內(nèi)容,還沒有開考的同學可以記背下,有需要的同學可以收藏下,希望可以幫到大家。
專升本英語里那些介詞知識
介詞又叫前置詞,是一種虛詞。
介詞分為三種,一種是簡單介詞,如 at, in, on, beside, to , for等;另一種是短語介詞,即由兩個以上的詞組組成的短語,如 in front of, because of, out of, instead of 等;
還有一種叫二重介詞,如 until、after、from、behind 等。
一、介詞的句法功能
介詞不能獨立在句中做成份,介詞后必須與名詞、代詞、或動名詞構成介詞短語在句中充當一個成份,表示人、物、事件等與其它人、物、事件等之間的關系。
1、作定語:The book on the table is mine.
This is his reply to your letter. 這是他給你的回信。
This is the best way of doing it. 這是做此事最好的方法。
2、作狀語:We have breakfast at seven.(表時間);
They were late for meeting because of the heavy rain.(表原因);
They started the machine by pressing the button.(表方法) Don’t touch it with your hands. 別用手去摸它。
Did you do this by design or by accident? 你這樣做是有意的還是無意的?
3、作表語:My dictionary is in the bag.
4、作賓語補足語:I found him in the office.
I found everything in good condition. 我發(fā)現(xiàn)一切正常。Her illness kept her in bed for a week. 她因生病在床上躺了一星期。
專升本英語里那些情態(tài)動詞
情態(tài)動詞有 can, could, may, might, must, should, ought to, need, dare, had better, would rather 等。情態(tài)動詞相當于助動詞,不
能單獨使用,必須再接動詞原型。
1.can, could 表示能力、允許、客觀可能性。
注意:表能力時 could 是 can 的過去式;允許時 could 比 can 更委婉,表客觀可能性時 could 可能性比 can 小。eg:She is only four, but she can read.
This sort of thing can't go on. I couldn't follow her speech. Could you lend me your bike?
Fire can't destroy gold.真金不怕火練
2.may, might 表示允許、猜測。
【注意】表允許時 might 比 may 更委婉;表客觀可能性時 might 可能性 比 may 小 。eg:The dialect of one province may be quite different from that of the next one.
Students may not stay out after midnight without written permission. (stay out 在外邊待的很晚)
He asked his mother if he might go out to play.
"May | open the window?" "Yes, please./ Please don't./ No, you
mustn't." (mustn't“不許、不準”)
3.must
1)表示可能性"肯定"、“準是” ,其否定形式是 can't
2)表示'必須"。must 只用在一般現(xiàn)在時和一 般將來時,此時must=have/has to,而 have to 可以用在任何時態(tài)。否定形式needn't
3)mustn't 表示"千萬不要"、"一定不要”。eg:He must be a student. Teachers always tell us we must do everything step by step.
--Must I go tomorrow?
--No, you needn't (yes, l'm afraid so. must 一般疑問句的否定 needn't 來回答)
You mustn't talk like that to your parents
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