make a bet 打赌
(3)形容词转化为动词
dirty adj.脏的→v.(使)变脏
dry adj.干燥的→v.擦干,(使)变干
empty adj.空的→v.倒空
free adj.自由的→v.释放
narrow adj.狭窄的→v.(使)变窄
slow adj.缓慢的→v.(使)减速
quiet adj.安静的→vt.使平静;使安心
The room gradually quieted down.
屋里慢慢静了下来。
(4)形容词转化为名词
chemical adj.化学的→n.化学制品,化学药品
daily adj.每天的→n.日报
final adj.最后的→n.决赛
native adj.当地的→n.当地人
quiet adj.安静的→n.宁静;平静
total adj.总的→n.总数
right adj.正确的→n.正确
wrong adj.错误的→n.错误,坏事
He didn't know the difference between right and wrong.
他不辨是非对错。
[即时演练1] 写出下列黑体单词的词性和词义
①He knew the answer to the question.n.答案
②The hall can seat two thousand people.v.容纳
③Those who do wrong should be punished.n.坏事
④Wash and dry your hands before you eat meal.v.擦干
(5)其他词类转化情况
out adv.往外,向外→n.托词;出路
south n.南方→adv.向南,朝南
up adv.在上面→n.增长
upstairs n.楼上→adv.在楼上
Come down to us we can't hear you upstairs.
下来到我们这儿来,你在楼上我们听不清楚。