1. Before God He (swear) swore he was innocent.

2. Yesterday Clouds (creep) crept across the hưorizon, just above the line of trees.

3. We both (sleep) slept badly that night.

4. She (weep) wept for the loss of her mother.

5. Jane (keep) kept the engine running.

6.A huge wave (sweep) swept over the deck

7.Mum (pay) paid for my driving lessons.

8.He (lay) laid his hand on my shoulder.

=> Quá khứ đơn:

(+) S + ved/ bất quy tắc 

(-) S + did not/ didn't + V nguyên thể
(?) did + S + V nguyên thể ?

1 swore .

2 crept .

3 slept .

4 wept .

5 kept .

6 swept .

7 paid .

8 laid .

- Hành động đã xảy ra và chấm dứt trong quá khứ .

=> Thì quá khứ đơn .

( + ) S + V(quá khứ) + O ...

( - ) S + did + not + V-inf + O ...

( ? ) Did + S + V-inf + O ...