2.They were in Shanghai last week.

negative form:

S:It was not Saturday yesterday.　　 It wasn’t Saturday yesterday.

They were not in Shanghai last week.　 They weren’t in Shanghai last week.

T:Do you know how to change the following sentences into question form?

1.It was Saturday yesterday.

2.We were at home ten hours ago.　

Negative form：(Help students to answer)1.I was ill yesterday.　　　　　　　　　 We were atte

S:I was not ill yesterday.　　　　　　　 I wasn’t ill yesterday.

We were not at home ten hours ago.　　 We weren’t at home ten hours ago.

T: Be动词过去时否定句的谓语动词构成规则是什么呢？(Help students to answer)1.I　

S:was + not 缩略形式为wasn’t　　 were+ not缩略形式为　 weren’t

T: It’s time for us to practice. Can you change the following sentences into negative form?

1.I was ill yesterday.　　　　　　　　　

6. They ______ at the shop just now.

Step 3 　Presentation

T: 在学了这些表达过去时的这些句子后，让我们看看表达过去时的常用的时间短语有哪些呢 ? (Help students to answer)

yesterday , yesterday( morning afternoon, evening…)，the day before yesterday

last night　 (week, month, year…)

two days ago，a week ago，　

in 1990,　 in 1998…

Step 4　 Presentation and drills

T: Do you know how to change the following sentences into negative form ？

5. My father ______ ill yesterday.

4. We ______ in Grade 6 a year ago.

3. I ______ 12 last year.

2. It ______ Sunday yesterday.

1. It ______ Monday today.