Lesson 89 For sale
believe v. 相信,认为
may modal verb (用于请求许可)可以
how long 多长
since prep. 自从
why adv. 为什么
sell v. 卖,出售
because conj. 因为
retire v. 退休
cost v. 花费
pound n. 英镑
worth prep. 值……钱
penny n. 便士
sell/sold/sold
cost/cost/cost
believe + that 从句(宾语从句)
宾语从句是指一个句子做宾语
动词/介词 + 宾语(名词,代词)
表示人类的情感或心理活动的形容词
afraid 恐怕
sure 确定的,有把握的
glad 高兴的
sorry 抱歉
be + adj. + that 从句
主句是一般现在时的时候,从句可以用任何时态。
e.g. I am afraid I can't come tomorrow.
e.g. I am sure you need an X-ray.
e.g. I am glad you went yesterday.
e.g. I am sorry I didn't come yesterday.
表示普通意义的动词,相信,认为……
think, know, say
e.g. He says he is a good man.
e.g. I think you are right.
e.g. I believe I can fly.
for sale 待售
e.g. This house is for sale.
e.g. I believe this house is for sale.