I see a new film (Present simple)
I saw a new film (Past simple)
I was seeing a film (Past continuous)
I had seen a film (Past perfect)
I will see a film (Future simple)
I will be seeing a film (Future Continuous)
I will have seen a film (Future perfect)
I have seen a film (Present perfect)
I have been seeing a film (Present Perfect Continuous)
I had been seeing a film (Past perfect continuous)
I will have been seeing a film (Future perfect continous)