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bedonetodo用法
麻烦讲解下There
be
的句型
用法
答:
一、There
be
结构的非谓语形式 There to be 和there being 是there be 结构的非谓语形式,前者是不定式形式,后者是ing 形式。这两种结构可以在句中充当不同成分,要注意理解和区分。1.作主语 It is impossible for there to be an escape from the building.要从那幢楼里逃生是不可能的。It w...
need的
用法
答:
2.We needn't be waiting in this place.我们不必要在这儿等。3.The hedges needn't be trimmed thisweek.本周树蓠不必要整修。“need”作为实义动词时,通常
用法
是:人+need +
to do
物+need +doing 物+need +to
be done
另外,“need”后还可以直接跟名词。请看下面的例子:1.We...
your hair needs 为什么用to
be
cut 而不用being cut 有重谢
答:
这里面考察了两个语法点:1.need doing sth是需要做某事 (表示已经做了,或者正在进行中的动作)need
to do
sth是需要去做某事 (还未做)2.to
be done
这个表示的是被动。头发不是自己说让它修理它就会自动修理的,因此,就需要被动语句了,头发被修理。being cut 虽然也是被动语句,但是由于和...
be
的被动语态是什么意思?
答:
被动语态由“助动词
be
+及物动词的过去分词”构成。被动语态的时态变化只改变be的形式,过去分词部分不变。疑问式和否定式的变化也如此。一般
用法
1.一般现在时的被动语态构成:is / am / are +及物动词的过去分词 Our classroom is cleaned everyday.I am asked to study hard by my mother.Knives...
关于worth worthwhile worthy 意思词性辨析
用法
区别
答:
或被动态动名词 be worthy of sth/ doing sth/ to
be done
this book is worthy of being read.= this book is worthy to be read.this is a worthy article.作后置定语时,必须用“worthy of +名词”结构。例如:there is nothing worthy of mention.没有值得一提的事情。注:“worthy ...
worth和worthy
用法
的区别?
答:
1、做形容词时。(1)worth做形容词时,表示“有?价值;值得做...(worth doing)”;例:This trip
was
really expensive but it was worth every penny.这次旅游花销不小,但还是很值得的。(2)worthy做形容词时,表示“值得的(worthy of);值得尊敬的”。例:He devoted his whole life to the...
虚拟语气if的三种
用法
答:
1、表示与现在事实相反的情况:从句:If+主语+动词一般过去时(
Be
动词用
were
)。主句:主语+ should/would/might/could+do。2、表示与过去事实相反的情况:从句:If+主语+had+
done
。主句:主语+should/would/might/could+have done。3、表示与将来事实相反:从句:①if+主语+were
to do
。②if+主语+...
wish与hope的
用法
答:
hope
to do
/hope that wish that sb...虚拟语气中wish的
用法
与现在事实相反(
be
动词一律用
were
)与过去事实相反,用过去完成时或could have+过去分词 与将来事实相反,用would/could/might/+动词原形 eg:I wish it were spring all the year round.现在 I wish /wished Ihad tahen your advice....
worth worthwhile worthy 三者的词义
用法
的区别
答:
certainly worth a visit.=the museum is certainly worth visiting.这个博物馆的确值得参观。this idea is well worth considering.这个想法很值得考虑。worthy 用于下列句型:sth.be worthy of sth/ being done sth.be worthy to
be done
这部电影值得看。the film is worthy of being seen.= the ...
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