Unit 10 An exciting Sport
Lesson Three
(一)大声读单词:
1. airplane n. 飞机
2. hiking n. 远足,徒步旅行
3. Canada n. 加拿大
(二)重点语法:
一般过去时态
定义:表示过去发生的动作或状态。
结构:be 动词的过去式:
肯/否定:I/He/she/it was(not)…. You/we/they were….
一般疑问:Were you ~?
结构:动词过去式:
肯定: I watched TV.
否定句:I don’t watch TV.
一般疑问句: Did you watch TV? Yes, I did. No, I didn’t.
动词过去式变化:
(1)一般情况下在动词词尾加-ed.
词尾-ed在浊辅音和元音后读[d],在清辅音后读[t],在[t]、[d]音后面,词尾-ed一律读[id],play→ played[d]
clean→ cleaned[d]
stay→ stayed[d]
(2)词尾是e的动词加-d。
live→ lived[d] change→ changed[d] like→ liked[t]
(3)以一个辅音字母结尾的重读闭音节单词,应双写这个辅音字母,再加-ed。
stop→ stopped[t] plan→ planned[d]
(4)以辅音字母+y结尾的动词,先将 y变为 i再加-ed,词尾的-ed一律读[d]。
study→ studied[d] carry→ carried[d] cry→ cried[d]
(5)有些动词的过去式的变化是不规则的。
be→ was/were do→ did go→ went
read→ read see→ saw have→ had
write→ wrote sit →sat spend → spent