1 Complete the table with the correct form of to be.

Affirmative

I (a)

• You are
• He/She/It (b)
• We are
• They (c)

Negative

• I'm not
• You (d)
• He/She/It (e)
• We (f)
• They aren't

Doing homework.

Listening to music.

Grammar challenge

Correct the sentences if necessary. Tick (✔) the correct sentences.

1. She's having a shower.
2. She's buying a meat at the butcher's. ✔
3. My cousins are plaing in the park.
4. I'm puting some posters on my wall.
5. My dad is cooking dinner.
6. Daniel is chatting to Amy's and Mike's mum.
7. We waiting for Becky to buy her shoes.
8. I'm writ