Past perfect continuous

Ana had been working with dangerous products before she felt ill
We had been playing for one hour when it started to rain
Before he arrived, I had been buying some food
At the end the bus came. I had been waiting for fifteen minutes

Past perfect

I didn't Know your friend. I had never seen him before
When I went to the shop, Jordi had bought it
we went to the disco last night, the disco had closed few minutes before
Last year I bought a car because my sister had had an accident

Present perfect continuous

How long have you been watching TV?
My boyfriend has been working for two days in Formentera
I have been making cakes for my pupils
My sister has been working since my mother died

Present perfect

I have studied since six years old
She has eaten a big sandwich but she is still hungry
The police have arrested a woman who has stolen a pair of troussers
Do you now where is Maria is? yes, I have just seen her

Past continuos

Toni was waiting for me when I arrived
I was studying and they were playing tennis
At eleven o'clock I was sleeping
She was having a shower while her daughter was sitting on the bed

Past simple

I rang you last Saturday
Did you have the same car in 2006?
I caught the bus and then I lost my keys
Velázquez painted "Las Meninas"