1. 什么是不定式?
To complete the program needs much effort.
完成這項計劃需要很大的努力。
They have three tickets to spare.
他們多出三張票。
I find it interesting to stay with you.
我發覺與你待在一起很有趣。
My job is to teach English.
我的工作就是教英語。
2. 不定式的語法功能
Is it necessary to bring an umbrella today?
今天有必要帶雨傘嗎?
He agrees to go with us.
他同意跟我們一起去。
Liu Ying was the very girl to meet you.
劉英正是來見你的那個女孩子。
He goes there to enjoy the fresh air.
他去那兒享受新鮮空氣。
3. 不定式的否定
Take care not to break it.
小心別把它打破了。
He strongly advised me not to do so.
他強烈建議我別這樣做。
He asked me not to make so many mistakes.
他要求我不要出那么多錯誤。
The police warned us not to go out at night.
警察告誡我們夜間不要出門。
4. 疑問詞+不定式
He asked me how to open the box.
他問我這盒子怎么打開。
You have to consider what to do next.
你必須考慮下一步怎么辦。
How did you know where to find me?
你怎么知道在哪里可以找到我?
You'll learn when to use that construction.
你會知道什么時候使用這種結構。
n. 建設,建造,結構,構造,建筑物