Period Ⅱ Using language——Grammar & Vocabulary Grammar(情态动词一)课前自主预习[观察句子,总结规律]①
I was_able_to hold a knife and fork—and chopsticks
②But there are still some dishes that Dad dare not try even after many years of marriage to my mother
③Mum and I just have_to find a way to get him into the kitchen
we'd_better not eat too much roast food as it may make us suffer from heat inside our bodies,
⑤You needn't try it if you don't want to, Mum said,
[我的发现]以上五个句子都使用了情态动词
(1)① 句中的 be able to 意为“________”
(2)② 句中的 dare 意为“________”
(3)③ 句中的 have to 意为“________”
(4)④ 句中的'd better 为________的缩写,意为“________”
(5)⑤ 句中的 need 意为“________”
答案:(1)能够 (2)胆敢,敢于 (3)不得不 (4)had better;最好 (5)需要精讲课时语法一、be able to 的用法be able to 意为“能够,有能力”,不仅有时态、人称和数的变化,而且还可以与某些系动词或情态动词连用(通常不与 can 连用),甚至还