I动词不定式
说出括号中的部分在以下句中所做的成分
1.Isawtheboy(playintheroomoften).
2.Itishard(forone)(todo)abitgood.
3.Itisunwise(ofthem)(toturndown)theproposal.
4.Sheseldomcomes(but)(toask)forhelp.
Shehasnothingtodobut(liedown)inbed.
Sheenjoysnothingbut(studying)English.
5.Sheaskednot(tobesent)toworkintheschool.
6.Columbuswasconsidered(tohavediscovered)thegreatlandofAmerica.
II动名词
说出动名词在以下句中所做的额成分
1.Itisnouse(quarrelling)witheachother.
2.His(going)therewon'tdoanyharm.
3.TheyinsistedonTom's(staying)therefordinner.
4.Iknewnothingaboutthewindow(being)open.
5.Weinsistedonhim(doing)itatonce.
III分词
说出分词在以下句中所做的成分
1.(Given)anothergoodchance,hewilldoitmuchbetter.
2.Thedog(beaten),thegirlfeltsad.
3.Thesituationis（encouraging).
4.Weare（encouraged）bytheexcellentsituation.
5.Don'tget（excited）,comrade!
6.Thedooris(open).
7.Thedooris(closed).
要求按序号回答~并且保证正确.
