chy623
幼苗
共回答了8个问题采纳率:100% 举报
让我慢慢给你
1.原形.出现在祈使句中.如:Stand up.起立.
2.过去分词.出现在状语从句中,做主句的伴随动作.具被动意思.如:Followed by the mayer,the captain inspect the army.在市长得陪同下,那个长官检阅了军队.
3.现在分词.出现在状语从句中,做主句的伴随动作,含主动的意思.如:Saying"hello"to everybody,the man got off the car,.那人一边下着车,一边向人们问好.
4.不定式.有两种情况
(1)做目的状语.如:To get there on time,he got up at 6 this morning.为了准时到达那里,今早他六点就起床了.
(2)做主语.如:To close a factory means putting the workers out of work.关闭一间工厂,意味着工人要下岗了.
至于过去时位于句首,除了疑问句外,没有其它情形了.如:Were you born in Beijing?你出生在北京吗?
1年前
10