可尝试扩展句子。越复杂的句子,分析结果越丰富。
because
可用来回答why
提出的问题;可以引导表语从句;可用于强调句等,而其余三者则不行。
because
表示的是必然的因果关系,语气最强,通常放在主句之后,若需强调则放在主句之前。
since
、as
所表示的原因是人们已知的,是对已知事实提供理由,而不表示直接原因。它们引导的从句通常放在主句之前,有时也放在主句之后。
至于for
, 它是并列连词(其余三者为从属连词),它有时可表示因果关系 (通常要放在主句之后,且可与because
换用);有时不表示因果关系,而是对前面分句内容的解释或推断 (也要放在主句之后,但不能与because
换用)。试比较:
时间点可以是具体的年、月、日期、钟点、1980、last month
、half past six
depart
、go
、leave
都含离开的意思。
含 go
的其它常用短语:
go prep. sth. | go 名词性副词,多表示位置、方向、时间 |
go prep. sth. with sth.适合于 | go at sth. tooth and nail |
go off sth.不再喜欢... | go on sth.进行... |
go to sth. to do. | go into sth.进入... |
go 并列介词(或副词)短语 | go sth. to sth. |
go round sth. | go to the hospital去医院 |
go to the school(因事)去学校 | go to the bed到床边去 |
go straight down | go to sleep入睡 |
go to the expense of sth.为...花钱 | go up to sth.向上进入... |
go to prison入狱 | go along sth.前进 |
go to school上学 | go to the movie去看电影 |
go to the cinema去电影院 | go this way这边走 |
go on strike举行罢工 | go to the heart of sth.抓住要点 |
go on a trip on sp. | go to hospital去看病 |
go somewhere出去一下 | go down to sth.延续至 |
go to war当兵 | go to court起诉 |
go over to sth.去过去 | go hard with sb. |
go down on one's knees跪下 | go off duty离开岗位 |
go to the party参加聚会 | go to field去田野 |
go over转变 | go around参观 |
go to work上班 | go by sth.依照...做 |
go down下去 | go on board上船 |
go down the street沿着这条街走 | go against sth.反对 |
go beyond the limit超过限度 | go in for sth.从事于... |
go on for sth.接近 | go out of way |
当前senior|high|school
不可数。
have done.
表示已经做某事、已经做了什么、结束、做完,构成完成时结构。
当have
在句中是一般现在式(have、has)的时候,全称现在完成时(The Present Perfect Tense)。
当have
在句中是一般过去式(had)的时候,全称过去完成时(The Past Perfect Tense, 也称 pluperfect)。
短语中的成分done.
表示动词的过去分词形式,通常由向动词词根添加尾缀-ed
或-d
组成,如:walked
、cleaned
、typed
、jumped
、laughed
。
当然,在英语中也存在着非常多的不规则过去分词形式,如:done
、said
、gone
、known
、won
、thought
、felt
、eaten
。
work
表示行得通, 奏效等。
do
表示行, 适合, 凑合。
含 work
的其它常用短语:
work sth.使工作 | work as an unpaid hand |
work in sp.在...(时间、地点)工作 | work like sth. |
work over sb. | work extra time |
work hard at sth.努力学习 | work overtime[经] 超过规定时间的工作 |
work as sth.担任 | work at the computer |
work with sth.与...共事 | work the precious metals |
work at sth.在...工作 | working attitude工作态度 |
work on the computer | work away不停地连续工作 |
work up逐步建立 | work on sth.工作在... |
work off消除 | work against sth.对...不利 |
work through sth.通过... | working folks |
work together在同一处工作 | work hard doing. (sth.) |
work well做得好 | work sth. adv. |
work sth. prep. sth. | work down sth. to sth. |
work among sth.在(某社会团体中)做社会工作 | work around sth.绕过 |
work around to sth.逐渐接近(一话题、问题等) | work away at sth. |
work down the line to sth. | work down the line |
work down to sth. | work down逐步减少 |
work in an ivory tower在象牙塔里工作 | work like a beaver兢兢业业干活 |
work one's ass off拼命干 | work one's fingers to the bone拼命地做 |
work one's tail off竭尽全力干活 | work one's way along sth. |
work one's way into sth.兢兢业业地达成 | work into sth.插进 |
work one's way through sth.从头到尾做 | work oneself. into a lather |
work some fat off | work some off fat |
work some weight off | work some off weight |
含 very
的其它常用短语:
very do.+ed sth. | very adj. sth. |
very adj.非常地... | very well do.非常好地...(做某事) |
be. very excited | very soon不久 |
very much非常 | very well那好吧 |
be. very exciting |
Since he went to senior high school, he has worked very hard.
这是一个复合句。
主句
he has worked very hard.
是一个陈述句,其时态为现在完成时。
he
主语
has worked
谓语动词(复合结构)
very hard.
从句
he went to senior high school,
这是一个状语从句,其时态为一般过去时。
he
主语
went {介宾短语}
谓语动词短语
to senior high school,
介宾短语
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