• (5)be +形容词+enough for sb to do sth • be+not+形容词+enough for sb to do sth • The questions are easy enough for students to understand. • The questions are not difficult enough for students to understand.
Grammar should (shall) could (can)
情态动词和其他动词连用,可表示说话人的语气, 可表达建议、要求、可能和意愿等, 没有人称和 数的变化。
a. should与 could用于表示劝告、建议时, 可理解为“应该” , could比should语气委 婉。 b. should (shall)用于表示“必定”。 c. could (can)用于表示 “可能”或“预 Should is more serious than could. 测”。
What’s wrong with the dog?
I often feel very tired. What should I do? You look worried. What’s the matter?
What should he do?
He should have a rest.
be in style=be in fashion时髦的 be out of style 不时髦的
你怎么了? 这一问句通常用于看到别人着急、不愉快、生病 或出了某事故时,来问情况的。 类似的表达还有:
1.What’s wrong with sb/sth?
2.What’s the matter with sb/sth?