Ex `2:`

`1.` I didn't visit my friends yesterday

`2.` She didn't watch TV last weekend

`3.` We didn't arrive home at half-past two

`4.` They didn't play football last week

`5.` You didn't listen to that song last month

`=>` S + didn't (did not) + V_inf + ... 

Ex `3:` 

`2.` Did she watch TV last weekend?

`3.` Did we arrive home at half-past two?

`4.` Did they play football last week?

`5.` Did you listen to that song last month?

`=>` Did + S + V + ...? 

Activity 2: 

1. I didn't visit my friends yesterday.

2. She didn't watch TV last weekend.

3. We didn't arrive home at half-past two.

4. They didn't play football last week.

5. You didn't listen to that song last month.

Activity 3: 

2. Did she watch TV last weekend?

3. Did we arrive home at half-past two?

4. Did they play football last week?

5. Did you listen to that song last month?