Exercise 2: Write the correct past simple tense of Tobe. 1. Mom and Dad ……were not/ weren’t……….(not be) at home yesterday. They …were..(be) at the hospital. 2. The weather…… (be) nice. It …(not be) windy and rainy. 3. …… (be) he free all day yesterday? 4. When ……… (be) you born? 5. He………… (not be) at school. He was at home. 6. Were you busy yesterday? Yes, I……(be)… 7. …(Be). It cold last night? No, it…(not be)…It was hot. 8. Where…(be)… they on Sunday? They…(be). at the store. 9. ……(be)……Nina and Sam strong this morning? - No, they……(not be)………… 10. ……(Be)…….Sam ill last night? Yes, he……(be)…

Cấu trúc thì quá khứ đơn với động từ thường 

` ( + ) ` S + V-ed / V2

` ( - ) ` : S + didn't + V nguyên mẫu

` ( ? ) ` ; Did + S + V nguyên mẫu

Cấu trúc thì quá khứ đơn với tobe

` ( + ) ` : S + was / were + ...

` - ` Chủ ngữ là I / he / she / it + was + ...

` - ` Chủ ngữ là you / we / they + were + ....

` ( - ) ` : S + was / were + not + ... 

` - ` Chủ ngữ là I / he / she / it + was + not + ...

` - ` Chủ ngữ là you / we / they + were + not +  ....

` ( ? ) `  : Were / Was + S + .... ?

`- `  Was + He / she / it + ... ?

` - `  Were + you / we / they + ... ? 

` + `  Các dấu hiệu nhận biết thường gặp :
` + ` 2 years ago , in the past , last year , last night , ...

` 1 ` : were not / weren't - were

` 2 ` : was - wasn't / was not

` 3 ` : Was

` 4 ` : were

` 5 ` : wasn't / was not

` 6 ` : was

` 7 `: Was - was not / wasn't

` 8 ` : were - were

` 9 ` : were - weren't / were not

` 10 ` : Was - was