疑问词
what(什么) what colour(什么颜色) what time(几点)
what day(星期几) how(怎样)how old(年龄多大,几岁)
how many(多少) how much (多少钱) how tall (多高)
how heavy(多重) how long(多长) how big(多大) how large(面积多大) who(谁) when(什么时候)
whose (谁的) where(在哪里) why(为什么)
which(哪一个)
be动词
am is are was were
助动词:do does did
情态动词
can should would will