内容正文:
重难语法课(3)——情态动词
[语境中体悟用法]
朗读下面短文,体会、领悟情态动词在具体语境中的含义,掌握其形式变化及其用法。
Lucy is an outgoing lady. She can① play many kinds of musical instruments. Actually, she could② play the piano when she was 8 years old. Lucy also keeps taking exercise every day. She says that she has to③ do some sports because she must④ keep slim.
“You shall⑤ get fat soon if you don't take exercise every day.” She usually says to her friends.
As for her, an elegant lady, should⑥ try to keep fit. However, last week, she found that she might⑦ put on weight and she was worried and decided to lose weight. And these days she is always thinking that she may⑧ succeed soon if she tries all her best. However, she is always lack of time because she ought to⑨ take care of her children.
One night after supper, she walked quickly in order to go dancing at the Tomorrow Park but she was late. On her way, she thought that the dancing must have begun⑩, and that the coach could have taught or shown⑪ many new moves. She was afraid that her friends might have left⑫ before she got there. She was regretful then. She should have had⑬ supper earlier, or she could have taken a taxi⑭, and indeed she needn't have taken⑮ a bath in advance. When she reached the park finally, she found nobody was there. She remembered suddenly that it had been reported on the radio that there would be a heavy rain that night.
[用法体悟]
①can在此表示 。
②could在此表示过去的能力,是can的 。
③have to表示“ ”,强调客观需要。
④must表示“ ”,强调主观想法。
⑤shall表示说话者的意图、允诺、告诫、警告等,常用于主语为__________
人称的陈述句中。
能力
过去式
不得不
必须
第二、第三
⑥should表示说话者根据一定的依据进行推测,意为“ ”。
⑦might在此是may的过去式,表示“ ”。
⑧may表示“ ”。
⑨ought to意为“ ”,表示现在或将来的义务或责任,比should语气重。
⑩must have done表示对过去已经发生的事情的肯定推测,意为“ ”。
应该
可能
可能
应该
一定已经做了
⑪could have done表示对 的推测,意为“可能已经做了”。
⑫might have done表示“ ”。
⑬should have done表示“ ”,有责备和懊悔之意。
⑭could have done 意为“ ”,有懊悔之意。
⑮needn't have done表示过去做了本来不必去做的事情,意为“_________