英语：北师大版七年级下一般过去时语法课件

课件17张PPT。一般过去时 一般过去是表示过去某个时间发生的动作或存在
的状态， 常和表示过去的时间状语连用。也表示
过去经常或反复发生的动作。
时间状语：
yesterday / yesterday morning/ yesterday afternoon / yesterday evening/ the day before yesterday / last week / last year / last night / an hour ago / in 1960规则动词过去式的构成 一般情况下，加-ed。
ask --- asked, help --- helped
2. 结尾是“e”的词，加-d。
dance --- danced, live --- lived
3. 重读闭音节词，且末尾只有一个辅音字母的，
先双写这个辅音字母，再加-ed。
stop --- stopped, plan --- planned
4. 以辅音字母加y 结尾的词，改 y 为i， 再加-ed.
carry --- carried, study --- studied不规则动词的过去式Be 动词在一般过去时中的变化。
肯定句： am, is --- was
are --- were
否定句： was not --- wasn’t
were not --- weren’t
一般疑问句把was, were 提前。Where wereyou yesterday?I was at the beach.Where wasLi Mei yesterday?She was at the market.Where wasshe last night?She was at home.they last Sunday?They were at the library.Where wereI wasn’t in the park.I was at the department store.Where were you an hour ago?BeiHai park Tina an hour ago?Where wasShe was at home.She wasn’t
in BeiHai park. Tom and Anna last Sunday?Where wereThey were at the library.They weren’t at the super market.There be 句型There was a(n) + 可数名词单数形式
不可数名词
e.g. There was a time capsule.
There were + some/ many +可数名词复数形式
e.g. There were many sections in the exhibition.｛In the pastThere wasn’t a(n) + 可数名词单数形式
any + 不可数名词
e.g. There wasn’t a table.
There wasn’t any pollution.
There weren’t + any +可数名词复数形式
e.g. There weren’t any traffic problems.｛When I young, the village very different.
There not many cars but there many horses.
There not any tall buildings,
but there lots of houses. There not many
people.The village quiet, and the air clean.
Now there lots of tourists and lots of buses. It’s noisy.waswasweren’twereweren’twereweren’twaswaswere