Past Tenses

When I (a)   (get) to the airport I discovered I had forgotten my passport. 

I went to the library, then I (a)   (buy) some milk at the supermarket and I went home.  

We got home to find that someone (a)   (break) into the house.

I opened the fridge to find someone (a)   (eat) all my chocolate. 

I (a)   (know) my husband for three years before we got married.

 Julie was very pleased to see that John (a)   (clean) the kitchen. 

When I saw Robert in the library, he (a)   (do) research for his project.

Sara's face was red and sunburnt because she (a)   (sunbathe) far too long.

The burglars broke into the house while everybody (a)   (sleep)

The woman explained that her daughter (a)   (just swallow) a five-pence coin.