Pasasive case 1. This is pencil. (she)
2. Have you seen dog? (we)
3. I wrote name on the paper. (I)
4. brother is in Turkey. (He)
5. The dog lost _ toy.​

1. This is pencil. (she)

This is her pencil.

2. Have you seen dog? (we)

Have you seen our dog?

3. I wrote name on the paper. (I)

I wrote my name on the paper.

4. brother is in Turkey. (He)

His brother is in Turkey.

5. The dog lost _ toy.

The dog lost its toy.

his hen can fly. - his hen can't fly.

his pig has got a hat. - his pig hasn't got a hat.

his rabbit is grey. -  his rabbit isn't grey.

1.a garbage is not only ugly, bute dangerous because it causes an air pollution.

2. cars are an important part of a life for most people. but cars also cause a pollution and release fume.

3. in canada people don't realise that they throw out 10,000 tons of a waste.

4. over 14 billion pounds of a waste per year is throw out to sea and it kills millions of sea animals.

5. if we want to breathe  a healthy air we have to think about what we do.

6. because of our lack of a knowledge there is now a huge hole over an antractic.

7.a water is a vital element of a life.