1.The question is easy to answer.
記住這個句子,只要句子結構是“ 主語+動詞+形容詞+ to do.to do 和本句主語構成邏輯上的動賓關系。to answer the question is easy. to breath the morning air is so good.這樣的句子就用主動表被動。
2. I have some clothes to wash.
衣服是本句的主語我去洗的
I have some clothes to be wash.
衣服是 “我”以外的人洗的(比如送到洗衣店,或別人幫忙。)
have sth. to do have sth. to be done
3 I know what to expect in my new job.疑問詞+不定式, 主動表被動。
供參考