文档介绍：Grammar
Verb Forms 动词的基本形式:P46
写出下列动词的单数第三人称形式、过去式和现在分词:
be is was (were) being
say says said saying
get gets got getting
throw throws threw throwing
show shows showed showing
give gives gave giving
begin begins began beginning
study studies studied studying
build builds built building
name names named naming
Grammar
过去进行时:
1. 根据提示回答下列问题:P47
What were you doing at eight o’clock yesterday evening?
我正在看电视。
1) I was watching TV.
我正在做数学练习。
2) I was doing mathematics exercises.
我正在等一个朋友。
3) I was waiting for a friend.
我正在计划去旅行。
4) I was planning to go on a journey.
我正和一个朋友谈论一本书。
5) I was discussing / talking about a book with a friend.
Grammar
2. 用所给动词的适当形式填空:P47
1) When Mark Twain _____ (wait) on the platform, a porter came (come) up to him.
2) When Prof. White e) into the classroom, the students were doing (do) their homework.
3) She _______ (have) a good time when I saw (see) her in the park.
4) _______he ______(feel) better when you went (go) to see him?
5) What we ______you (do) when ______(telephone) yo