高三英语教案 动词-ing形式的双重语法功能
动词-ing形式可用作动名词和现在分词，动名词由动词+ing构成，具有动词和名词的性质，在句中起名词作用，可作主语、宾语、表语和定语。现在分词有一般时和完成时，在句中可以作定语、表语、状语和补语。
●难点磁场
1.(★★★★)Though________money,his parents managed to send him to university.
A.lacked B.lacking of
C.lacking D.lacked in
2.(★★★★★)How about the two of us________a walk down the garden?
A.to take B.take
C.taking D.to be taking
3.(★★★★)________is a good form of exercise for both young and old.
A.The walk B.Walking
C.To walk D.Walk
4.(★★★★)—I must apologize for________ahead of time.
—That’s all right.
A.letting you not know B.not letting you know
C.letting you know not D.letting not you know
●案例探究
1.—You were brave enough to raise objections at the meeting.
—Well,now I regret________that.
A.to do B.to be doing
C.to have done D.having done
命题意图：考查学生对动词regret的掌握，属于四星级题目。
知识依托：regret doing结构表示后悔做了某件事。
错解分析：C项迷惑性较大。