Unit 4 突破语法大冲关 同步教材讲解 【新教材】外研版（2019）英语选择性必修第一册

这是一份Unit 4 突破语法大冲关 同步教材讲解 【新教材】外研版（2019）英语选择性必修第一册，共2页。
非谓语动词作表语
[观察例句]
1．Every artist's wish is t create smething that expresses an idea.
2．One way fr him t find inspiratin is turning t his children's tys.
3．Yang Liping's passin is dancing.
[归纳用法]
1．不定式作表语常表示具体的动作，尤其是某一次的动作。
His teaching aim f this class is t train the students' speaking ability.
他这节课的教学目的是要训练学生说的能力。
2．­ing作表语，有两个特点：
(1)表示抽象的、概念性的动作，可以是多次的、经常性的。
Its full­time jb is laying eggs.
它的(指蚁后的)专职工作是产卵。
(2)表示主语的性质与特征
The situatin is encuraging.
形势令人鼓舞。
常用作表语的­ing有：interesting，amusing，disappinting，missing，puzzling，exciting，inspiring，fllwing等。
3．过去分词作表语表示主语所处的状态。
The wrkers were sn tired.
工人们很快就累了。
The bk is well written.
这本书写得很好。
常用在句中作表语的过去分词有：used，clsed，cvered，interested，fllwed，satisfied，surrunded，dne，lst，decided，prepared，saved，shut，wn，cmpleted，crwded，dressed，wasted，brken，married，unexpected等。
Ⅰ.单句语法填空
1．My task is t clean(clean) the classrm this afternn.
2．After hearing the news，we felt quite excited(excite)．
3．The children will get cnfused(cnfuse) if asked t learn t much at a time.
4．Please remain seated(seat) until the plane has cme t a cmplete stp.
5．We gt a little sunburnt(sunburn)，but the day had been s relaxing that we didn't mind.
6．The speech was s inspiring(inspire) that they were all excited.
7．It wuld be interesting(interest) t knw what he really believed.
8．What the dctr tld me was t lie(lie) dwn and rest.
9．All I did was (t) give(give) him a little push.
10．The develpment f ur aviatin industry is quite encuraging(encurage)．
Ⅱ.短文语法填空
Tm's hbby was likes reading newspapers 2.because it was interesting.He felt 3.astnished when he read a newspaper abut lung cancer.What he wanted t d was 4.t give(give) up smking at nce.But smetimes he remained 5.puzzled(puzzle) if he shuld cntinue r give up.S he gt 6.changed(change) and went t a hspital t find a dctr fr help，7.wh shw him sme 8.frightening(frighten) pictures f lung wh smked 9.heavily(heavy)．S he was determined 10.t stp(stp) smking and fllwed the dctrs' advice.Since then，he gt up earlier every day t d exercises.