(1)不定式的被动式表示其逻辑主语为不定式动作的承受者。
*It’s a great honour to be invited to Mary’s birthday party.
被邀请参加玛丽的生日聚会是一件非常荣幸的事情。
(2)不定式的否定式通常是将否定词not或never置于不定式之前, 即构成not to do 或never to do 这样的形式。
*They took a vote and decided not to do it.
他们进行了表决, 决定放弃。
*How many times has your mother told you never to talk to strangers?
你母亲告诉你多少次了, 绝不能和陌生人谈话?
【即学活用】 语法填空
(1)The world will be different, and we will have to be prepared(prepare)to adapt to the change.
(2)She pretended to be sleeping (sleep)when her mother came in.
(3)He is said to have been working (work)in this factory for more than twenty years.
