高中英语语法精讲(Unit13Healthyeating)大纲人教版第一册

语法精讲Modal Verbs(1)情态动词—had better,should,ought to1.had better1)had better无人称和数的变化,后接不带to的动词不定式,表“义

腾讯文库高中英语语法精讲(Unit13Healthyeating)大纲人教版第一册高中英语语法精讲(Unit13Healthyeating)大纲人教版第一册