essome可用修辭可數(shù)和 ?名詞，常用于肯定；否定句和疑問句中一般用?不可數(shù)否定和一般疑問句中用anya set of 后接可數(shù)名詞?，“a set of+名詞”作主語時(shí)，謂詞動(dòng)詞的單復(fù)數(shù)由set的形式來決定。do 是助動(dòng)詞，無意義，輔助實(shí)義動(dòng)詞構(gòu)成?A set of 后面一般接復(fù)數(shù)的名詞，可數(shù)不可數(shù)都可以A set of keys
A set of methodwhat does he do?
What do you do??do?He doesn't watch tv on Monday.I don't watch tv on Monday.可以說中文嗎搭配實(shí)義動(dòng)詞there are some keys 改為否定句there is some bread改為一般疑問句There aren't any keysIs there any breadmust是情態(tài)動(dòng)詞，后面接?原形