加to 还是不用加to humans are able _____( speak)
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加to 还是不用加to humans are able _____( speak)
说明加to 的原因 还要什麽时候要加to 什麽时候不用 越清晰越好 可以再继续加分 看解释的清晰情况
说明加to 的原因 还要什麽时候要加to 什麽时候不用 越清晰越好 可以再继续加分 看解释的清晰情况
Humans主语; are able to speak.谓语动词.be able to = can,你把be able to理解成为一个整体,它就是一个不可拆分的情态助动词,用来帮助一个动作动词,如本句中的speak.关于不定式符号to,有多种用法,总之,to do这个不定式是一种非谓语动词形式,不可单独做谓语,也就是说,根据需要去在动词前加to,使该动词变为非谓语动词.如:I want to study English well.句中want已经是谓语了,那么这个study就不能以谓语动词的形式出现,而是让它以to study形式出现,好去做study的宾语,此外,to do还可以作主语、表语、宾补、状语、定语、主补,根据需要去使用.
加to 还是不用加to humans are able _____( speak)
Humans are the only a___ to be able to speak
No one加be able to,还是is able to?
Is he able to speak English?加French 改为选择疑问句
及物动词,不用加 to
be able to 后面能不能加形容词
Be able to 后加动词原形还是动词ing形式?
听力 "You can do what you want to do,you are able to speak Eng
Being able to speak another language well is a great _____ w
be able to后为什么可以加doing?
they have (able)to speak english well
Tim is able to speak Chinese