ПОМОГИТЕ СРОЧНООО!!!!

1. I (learn) Spanish since last year.
2. Look! The sky (get) darker and
darker. It is going to rain.
3. We (not finish) cleaning the car yet.
We need some more time.
4. I am fed up. I (wait) for the bus since
3 o'clock.
5. Brian (work) on a new project now.
6. My mother (think) that windsurfing
is dangerous.
7. This fish (smell) awful. It is spoiled.
8. Mike (see) the film before.​