由于不定式具有名词、形容词和副词的特征，所以它在句中可作主语、表语、宾语、定语和状语。 1.作主语To sweep the floor is my duty every day.每天打扫地板是我的职责。To see is to believe.
stop是英语中的基本词汇，它可以用作及物动词和不及物动词，也可以用作名词。下面分述其用法及考点。1.stop做及物动词时，有三个常见的意思。1）stop的意思是“停止，中断”比如： Both sides want to stop the fighting. 双方都想停止战斗。
at table 在吃饭。It is such fine weather today that many children are playing outside. 今天天气如此好以至于孩子们都在外面玩。
不少于80个单词。Lily is a high school student. She wants to be a professional actress. As a volunteer ， she often volunteers her time。
