The 12 Tenses with examples and free exercises

The 12 English Grammar Tenses are listed under this video presentation.

What are the 12 tenses with examples?

Present Simple
I swim

Present Continuous
I am swimming 

Past Simple
I swam

Past Continuous
I was swimming

Present Perfect
I have swum

Present Perfect Continuous
I have been swimming 

Past Perfect
I had swum

Past Perfect Continuous
I had been swimming 

Future Simple
I will swim

Future Continuous
I will be swimming

Future Perfect
I will have swum

Future Perfect Continuous
I will have been swimming

You will find Englishgrammar explanations and real examples of these on this site.