My father doesn't (need to buy) a new car .He can use his old one .
不可以说 doesn't need buy
因为有助动词doesn't,这样,need 就不是情态动词了,所以这时接不定式buy 时要加to
要么你还可说:My father needn't buy a new car.这里的need 就是情态动词了.接动词原形
考语境,从下文”他可用他的旧汽车“ 可见,我父亲没必要买新车.
My father doesn't (need to buy) a new car .He can use his old one .
不可以说 doesn't need buy
因为有助动词doesn't,这样,need 就不是情态动词了,所以这时接不定式buy 时要加to
要么你还可说:My father needn't buy a new car.这里的need 就是情态动词了.接动词原形
考语境,从下文”他可用他的旧汽车“ 可见,我父亲没必要买新车.