一、how soon、how often、how long、how far、
1、how soon 指再过多久,主要用来对表示将来的一段时间(如:in an
hour,in two weeks 等)提问。
--How soon will he come back?
--________.
A、After three days B.In a week C.On Friday D.Next month
英文中的how soon通常对将来时间in+时间长度提问,ACD是通常用when提问的,故选 B。
举一反三:
When did Kate write back to you ?(回信)
Kate wrote back to me after three days.
2、---How long have you been in London? ---_________.
A.Three times B.I was there for a week
C.I’d been there for a month D.I’ve just arrived
试题分析:你在伦敦待多久了?我刚到。How long对一段时间进行提问,问句时态是现在完成时,答语也要用现在完成时。故选。
3、how often (表频率)多久一次/ 隔多久,提问动作频率时使用。
— How often are the Olympic Games held?
— ______ four years.
A. Every
B. Each
C. In (一般将来)
D. For(完成时)
试题分析:every four years,表示每四年,每隔三年,表示频率的。
每隔一天 every two days;every other day
I have a bath every other day.
我每隔一天洗澡。
4、how long 多长时间
① ---How long have you been in London? ---_________.
A.Three times B.I was there for a week
C.I’d been there for a month D.I’ve just arrived
试题分析:句意:你在伦敦待多久了?我刚到。How long对一段时间进行提问,问句时态是现在完成时,答语也要用现在完成时。故选D。
② He ran in the school for half an hour (对画线部分提问)
How_ _long _ _did____ he run in the school ?
③ ——How long____he_____in the village school?
——He taught there for nearly ten he went abroad.
;taught ;teach ;teach
5、how far (离……)多远,到什么程度(或范围)
-How far is it from your home to the cinema?
-__________.
A.Fifteen minutes’ ride. B.By the subway.
C.Only three buses. D.For half an hour.
A
试题分析:句意:-从你家到电影院有多远?-骑车15分钟的路程。根据这个情景中所问到的how far,意思是多远,所以这里是在询问距离。A选项的意思是15分钟的路程;B选项意为:乘坐地铁。不符合句意,而且subway 前不应有冠词the,故B不对;C选项意为:只有三辆公共汽车,不符合句意;D选项持续半个小时;长达半个小时,也不符合句意。故选A。
短语辨析:call in;call on;call for;call up
1、call in 作"请来"、"来"、"召来"解,"请人来做某种专业的咨询或帮忙"的意思。如:
Your father is ill, you should call in a doctor at once.你父亲病了,应该马上去请个大夫来。
The police have been called in to help make it clear.
已请来了警察帮忙把这件事弄清楚。
2、call on是"拜访""访问",call on后接表示人的名词或代词
I called on the Smiths yesterday.
我昨天拜访了史密斯一家人。
I called on the doctor yesterday.
我昨天去拜访了医生。
另外,call on还可以"号召",后面往往接动词不定式作宾语补主语。如:
The headmaster called on the students to work harder.校长号召学生们更努力地学习。
call for 作要求;需要;提倡;为……发声;呼吁解。如:
Success calls for hard work.
成功要靠勤奋。
辨析:
Call for,也有“号召”的意思,在表示“号召”意思时,侧重于“要求”,后边常常直接跟名词.如:
The letter calls for an investigation of the facts.来信要求对这些事实进行调查.
Call on 有“号召”的意思,后边可以跟什么人做什么事情,如:
The government called on the workers to oppose waste.政府号召工人反对浪费.
从基本用法上也可以推导出,call for 后边常常跟表示事物的名词,而call on后边常常跟表人的名词.
People are calling for the freedom of all slaves.人们要求解放所有奴隶。
The work calls for a lot of time.
这项工作需要大量时间。
call up是"打电话"之意,相当于ring up或telephone或phone。 如:
I'll call you up tomorrow.
我明天给你打电话。
另外,call up 还有"回想起"之意。如:
Your letter called up the days when we worked together.你的信使我回想起我们一同工作的日子。
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