1 My parents drink tea. Present Simple
2 My parents are drinking tea. Present Progressive
3 My parents were drinking tea. Past Progressive
4 My parents drank tea. Past Simple
5 My parents have drunk tea. Present Perfect
6 My parents had drunk tea. Past Perfect
7 My parents had been drinking tea. Past Perfect Progressive
8 My parents have been drinking tea. Present Perfect Progressive
9 My parents will drink tea. Future Simple
10 My parents will be drinking tea. Future Progressive
11 My parents will have drunk tea. Future Perfect
12 My parents will have been drinking tea. Future Perfect Progressive