Fill in the gaps with the correct verb form. while we (sing) "auld lang syne" somebody(light) a firework. while mum (make) the christmas pudding, she(put) a coin into it. the dog (take) a hamburger while dad (make) a barbecue. celia and paul (go) trick or treating when i (see) them. when i (meet) celia and paul in the street, they (wear) costumes of ghosts. celia and paul 9exchange) easter eggs when i (bring) chocolate bunnies for them. when the children (hang) greetings cards, dad (bring) in the christmas tree.

While we were singing "Auld Lang Syne" somebody lighted a firework.

While Mum was making the Christmas pudding, she put a coin into it.

The dog took a hamburger while Dad was making a barbecue.

Celia and Paul were going trick or treat when I saw them.

When I met Celia and Paul in the street, they were wearing costumes of ghosts.

Celia and Paul were exchanging Easter eggs when I brought chocolate bunnies for them.

When the children were hanging greetings cards, Dad brought in the Christmas tree.

While we were singing "Auld Lang Syne" somebody lighted a firework.

While Mum  was making the Christmas pudding, she put a coin into it.

The dog taken a hamburger while Dad was making a barbecue.

Celia and Paul were going trick or treating when I saw them.

When I met Celia and Paul in the street, they were wearing costumes of ghosts.

Celia and Paul were exchanging Easter eggs when I brought chocolate bunnies for them.

When the children  were hanging greetings cards, Dad brought in the Christmas tree.