tellyou⑤Accordi
gtotheschoolrules,
ostude
t______gooutoftheschoolaftereleve
oclockat
ightwithouttheteacherspermissio
5shouldoughtto1应当,应该2表惊讶、遗憾竟然;居然只能用should3)表按常规有一定依据的推测,解释为“按理来说”。①You_______helpyourmotherwiththehousework②Youca
’timagi
ethatawellbehavedge
tlema
________besorudetoalady③Thepublictra
sporti
Beiji
gisveryco
ve
ie
t,sothere_______bea
ydifficultyi
traveli
garou
dthecity注意:should有时和I连用,表委婉语气。Youaremistake
Ishouldsay要我说,你搞错了。
2
我真的该戒烟了。(我认为应该戒)
⑦I_____stopsmoki
g我得戒烟了。(可能医生的要求或身体的客观情况使我戒烟)
f6willwould1表请求。would比will更委婉,客气。2表意愿3表倾向性4will表现在的习惯性动作,would表过去的习惯性动作。①________youpleasepassmesomesalt②Ifyou_______waitIwillgoa
daskifthema
agerca
havethetimetomeetyou③Thecar________start④I
thosedayswhe
everIhaddifficultiesI________gotoMrShe
forhelp注意:would和usedtowould单纯表示过去的习惯性动作,usedto既表过去经常的动作,也表过去经常的状态,并强调过去的行为同现在的对比,含有“过去怎样,而现在却不这样了”。⑤Sheis
’twhatshe_______be7
eed
eed既可作情态动词,也可作行为动词。(1)作为情态动词,没有人称和数的变化后接动词原形。通常用在疑问句、否定句、条件句中。2作为行为动词有人称和数的变化,用于肯定句、否定句、疑问句中,构成否定句或疑问句时要用助动词dodoesdid。①______he______togososoo
②He________
ottogo③He________
otgo注意:1
eeddoi
gtobedo
eThefloor
eeds________clea
2Needwedoitagai
Yesyou_______Noyou________8daredare既可作情态动词,也可作行为动词。(1)作为情态动词,没有人称和数的变化,后接动词原形。dare可以有过去式dared。通常用在疑问句、否定句、条件句中。2作为行为动词有人称和数的变化,后接todo。用于肯定句、否定句、疑问句中,构成否定句或疑问句时要用助动词dodoesdid。用于疑问句、否定句,后面的to也可省略。①_______youaskhim②She_______
otgooutalo
e③She________
ottoaskherfather
3
f9情态动词对过去表推测1ca
’tcould
’thavedo
e2Ca
Could…havedo
e…3maymighthavedo
e(4)musthavedo
e10情态动词表推测的反意问句1Heca
’tbeathome___________2Hisbookmusthavebee
publishedlastmo
th_____________3Hemayhavewater