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1.happen , take place
二者都有“发生”的意思。
happen指事情的发生,往往带有"偶然"的意思。
It happens that I am free today. 恰好今天我没有事。
take place指事先安排或策划好而后发生,没有"偶然"的意思。
2. must, have to
must表示说话人的主观看法;而have to则表示客观需要。mustn\'t意为“不可以;不允许”;don\'t have to意为“不必”。如:
(1)My father had to work when he was ten years old。
(2)The play is not interesting. I really must go now。
3. arrive , reach , get to
三者都有“到达”之意。
reach为及物动词。They reached Tianjin yesterday。昨天他们到达天津。
arrive为不及物动词,后面接介词in或at。
get to常用于口语,可代替前二者。
4.because , because of
二者均表示“因为”
because是连词,引导状语从句。
We stayed at home because it rained. 因为下雨,我们呆在家。
because of是短语介词,后面接名词性词语。
We stayed at home because of the rain . 因为下雨,我们呆在家。
5. in front of, in the front of
in front of…意思是"在……前面",指甲物在乙物之前,两者互不包括;其反义词是behind(在……的后面)。如:He walked in fount of me。他走在我的前面。There are some flowers in fount of the house。房子前面有些花卉。
in the front of 意思是"在某一空间内的前部",即甲物在乙物的范围之内;其反义词是at the back of…(在……范围内的后部)。如:There is a big desk and a blackboard in the fount of our classroom。我们的教室前边有一张大桌子和一块黑板。
Our teacher stands in the fount of the classroom。我们的老师站在教室前
6. look , see , watch
三者都有“看”的意思。
look是看的过程。I looked , but saw nothing . 我看了,但什么也没看见。
see是看的结果。see a film看电影;see a play看戏(话剧)。
watch是看移动的事物或定晴地看。watch a football match看足球比赛。watch TV看电视。
7. sometime; sometimes; some time; some times
sometime是副词,可与过去时或将来时连用,表示"(在过去)某个时候"或"(在将来)某个时候"。如: I saw him sometime in May。
some time多数情况下作名词短语,意为"一些时间;一些时候";它还可以作副词词组,用来表示一个未肯定的时刻,此时它可与sometime互换。如: I\'ll be away for some time。
sometimes是一个表示时间频率的副词,意为"有时候"。如:Sometimes I help my mother with the housework。
some times是"几次、几倍"之意。如:They have been there several times。
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