文档介绍：. .
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新概念一语法总结〔上〕
一．时态：
一般现在时，现在进展时，一般过去时，现在完成时，
一般将来时，过去进展时，过去完成时，过去将来时
表示一般性，经常性的动作或一般性事实。
含有be动词的句子
Heisateacher.
Thegirlisverybeautiful.
TimandJackarestudents.
★变疑问句将be动词移到句首
Isheateacher"
Isthegirlverybeautiful"
AreTimandJackstudents"
★变否认句在be动词后面加not
Heisnotateacher.
Thegirlisnotverybeautiful.
TimandJackarenotstudents.
★肯定答复及否认答复
Yes,,heisnot.
Yes,,sheisnot.
Yes,,theyarenot.
不含有动词的句子，即含有一般动词的句子
第三人称单数及单数名词
Helikesbooks.
Shelikeshim.
Thedoglikesbones.
★变疑问句在句首加does,动词变为原型
Doeshelikebooks"
Doesshelikehim"
Doesthedoglikebones"
★变否认句在主语及动词之间加doesn’t,动词变为原型
Hedoesn’tlikebooks.
Shedoesn’tlikehim.
Thedogdoesn’tlikebones.
★肯定答复及否认答复：
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Yes,,hedoesn’t.
Yes,,shedoesn’t
Yes,,itdoesn’t.
注意：第三人称单数形式一般在动词后面加S，不要和名词复数混淆，变否认句或疑问句时名词复数没有任何变化。
其他人称及复数名词
Iwanttohaveabath.
Wehavesomemeat.
Thestudentslikesmartteachers.
★变疑问句在句首加do
Doyouwanttohaveabath"
Dowehaveanymeat"
Dothestudentslikesmartteachers"
★变否认句在主语和动词之间加don’t.
Youdon’twanttohaveabath.
Wedon’thaveanymeat.
Thestudentsdon’tlikesmartteachers.
★肯定答复及否认答复
Yes,,Idon’t.
Yes,,wedon’t
Yes,,theydon’t.
表示现在正在进展的动作。
构成：主语＋be动词＋动词的现在分词＋其它成分〔现在分词的构成见附录〕
Wearehavinglunch.
Heisreadingabook.
Thedogisrunningafteracat.
Theboysareswimmingacrosstheriver.
★变疑问句将be动词移到句首
Arewehavinglunch"
Ishereadingabook"
Isthedogrunningafteracat"
Aretheboysswimmingacrosstheriver"
★变否认句在be动词后面加not
Wearenothavinglunch.
Heisnotreadingabook.
Thedogisnotrunningafteracat.
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