第1个回答 2019-04-18
1。
因为前面有助动词does,所以后面跟原形have。比如
tom
has
short
legs.
(用has)
tom
doesn't
have
short
legs.
(有助动词doesn't,用have)
does
Tom
have
short
legs?
(有助动词does的问句,用have)
2。因为有助动词do并且they是复数,所以后面跟
原形。比如
they
have
apples.
(因为they是复数,用have)
do
they
have
apples.
(因为they是复数,并且因为助动词do的问句,肯定用have)