1.動(dòng)詞不定式的形式
時(shí)態(tài) 主動(dòng)態(tài) 被動(dòng)態(tài)
一般式 to do to be done
進(jìn)行式 to be doing
完成式 to have done to have been done
完成進(jìn)行式 to have been doing
例1：John said that he had run in order to catch the bus. （一般式的主動(dòng)態(tài)）
例2：He hated to be misunderstood by others. (一般式的被動(dòng)態(tài))
例3：He pretended to be listening attentively. (進(jìn)行式)
例4：He intended to have told you that. (完成式主動(dòng)態(tài))
例5：This work of art seemed to have been created several centuries ago. (完成式的被動(dòng)態(tài))
例6：We’re happy to have been working with you. (完成進(jìn)行式)
