Определите в последующих предложениях видовременные формы глаголов и укажите их инфинитив:

1. I get the train to work every day and the fare is quite expensive.

- Present Simple, инфинитивы to get и to be.

2. I have been writing this for hours and its still not right.

Present Perfect Continuous, инфинитив to write. Present Simple, инфинитив to be.

3. Hes only just got home.

- Present Perfect, инфинитив to get. 

4. Dan is sleeping in the living room while we redecorate his bedroom.

Present Continuous, инфинитив to sleep. Present Simple, инфинитив to redecorate.