四川 趙玉銀
should是情態(tài)動(dòng)詞,意為“應(yīng)當(dāng);應(yīng)該”,沒(méi)有人稱和數(shù)的變化,后面接動(dòng)詞原形,多用來(lái)表示義務(wù)、責(zé)任或給別人提出建議。例如:
You should leave here at once.
You shouldn't shout at others.
【真題鏈接】
1.You look so weak!I think you_______go to see a doctor at once.
【2018·株洲中考題】
A.mightB.shouldC.could
【答案與解析】B由題干前句句意可知,題干后句應(yīng)是給對(duì)方提建議,因此填should。故選B項(xiàng)。
2.To keep children away from danger during the coming summer holiday,parents_______give them some safety tips.
【2018·泰州中考題】
A.shouldB.may
C.couldD.might
【答案與解析】A根據(jù)句意“為使孩子們?cè)诩磳⒌絹?lái)的暑假期間遠(yuǎn)離危險(xiǎn),父母應(yīng)該給他們一些安全提示”可知,此處應(yīng)填should。
could是can的過(guò)去式,表示過(guò)去的能力。對(duì)以could開頭的一般疑問(wèn)句作肯定回答時(shí),也用could。例如:
—Could your sister play the violin when she was six years old?
—Yes,she could./No,she couldn't.
could也可指現(xiàn)在時(shí),表示比較委婉的請(qǐng)求,常用于疑問(wèn)句。對(duì)這種疑問(wèn)句,無(wú)論是作肯定回答還是否定回答,都不用could??隙ɑ卮鸪S谩癥es,you can./Yes,sure.”等,否定回答常用“Sorry,/No,you can't.”等。 例如:
—Could I borrow your dictionary?
—Yes,you can./No,you can't.
【真題鏈接】
1.Millie spoke in a very low voice,but I_______understand what she said.
【2018·徐州中考題】
A.couldB.might
C.canD.may
【答案與解析】A在所給選項(xiàng)中,might和may意為“可以”,與語(yǔ)境不符;could和can都有“能夠”的意思,但根據(jù)句子的時(shí)態(tài)可知應(yīng)填could,即“米莉說(shuō)話聲音很低,但我能夠明白她所說(shuō)的話”。故選A項(xiàng)。
2.—Could you please help me do the dishes?
—_______.I cut my finger and I'm trying not to get it wet.
【2018·岳陽(yáng)中考題】
A.Yes,sure
B.Sorry,I can't
C.Yes,here you are
【答案與解析】B根據(jù)答句句意“_______,我割破了手指,我要盡量不弄濕它”可知,回答者并沒(méi)有答應(yīng)對(duì)方的請(qǐng)求,因此這里應(yīng)該做出否定的回答。故選B項(xiàng)。