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。 8. how long, how often, how far, how soon how long意为"多久、多长时间",主要是对一段时间进行提问,答语通常是(for)three days/weeks/months等时间段,它可用于各种时态。 How long do you stay in Beijing every year? 每年你在北京住多久? how often意为"多久……次、是否经常",用来提问在某一特定的时间进行某个动作的次数,答语通常是always,usually,often,sometimes,once/twice a day/month等。 How often do you get to school very early? 你多久早到校一次? how far意为"多远",对距离提问时用。How far is that? 那有多远? how soon意为"还要多久",是对从某个基本时间到将来某动作结束或某动作发生这段时间提问,常用在一般将来时态的句子中,其答语通常是"in + 一段时间"。 -How soon can you finish the work? 还要多久你能完成这项工作? -In half an hour. 半小时后。 9. agree with,agree to,agree on 两者都有“同意”、“赞成”的意思。 agree with 后面常接表示人或意见(看法)的名词作宾语。agree with 还有“适合”、“符合”的含义。如:The climate here doesn\'t agree with him。他不适合这里的气候。 agree to 后面一般接表示提议、办法、计划之类的名词作宾语。 agree on就…达成一致的意见。 10. across , cross, crossing, through, past (1)cross 意为“横过, 穿过”为动词,相当于walk(go,run)across Look both ways before you cross the road。 (2)across意为“横过,穿过”为介词,不作动词,不能作谓语,常放在动词之后,如:go across He walked across the field。 (3)through 是介词,含有“从…中间穿越”之意,表示四周含有物体的穿越。 The ball went through the window。 (4)past既可作形容词也可作副词,做副词时有:“穿过,越过”之意。 Will you be going past my house on your way home? (5)crossing意为“渡口,人行横道,(铁路与公路的)交叉点。 All the cars should stop before the zebra crossing。 (责任编辑:admin) |