I don't swim you don't swim he doesn't swim we don't swim you don't swim they don't swim
Present continuous
I'm not swimming you aren't swimming he isn't swimming we aren't swimming you aren't swimming they aren't swimming
Preterite
I didn't swim you didn't swim he didn't swim we didn't swim you didn't swim they didn't swim
Preterite continuous
I wasn't swimming you weren't swimming he wasn't swimming we weren't swimming you weren't swimming they weren't swimming
Present perfect
I haven't swum you haven't swum he hasn't swum we haven't swum you haven't swum they haven't swum
Present perfect continuous
I haven't been swimming you haven't been swimming he hasn't been swimming we haven't been swimming you haven't been swimming they haven't been swimming
Pluperfect
I hadn't swum you hadn't swum he hadn't swum we hadn't swum you hadn't swum they hadn't swum
Pluperfect continuous
I hadn't been swimming you hadn't been swimming he hadn't been swimming we hadn't been swimming you hadn't been swimming they hadn't been swimming
Future
I won't swim you won't swim he won't swim we won't swim you won't swim they won't swim
Future continuous
I won't be swimming you won't be swimming he won't be swimming we won't be swimming you won't be swimming they won't be swimming
Future perfect
I won't have swum you won't have swum he won't have swum we won't have swum you won't have swum they won't have swum
Future perfect continuous
I won't have been swimming you won't have been swimming he won't have been swimming we won't have been swimming you won't have been swimming they won't have been swimming
Conditional
Present
I wouldn't swim you wouldn't swim he wouldn't swim we wouldn't swim you wouldn't swim they wouldn't swim
Present continuous
I wouldn't be swimming you wouldn't be swimming he wouldn't be swimming we wouldn't be swimming you wouldn't be swimming they wouldn't be swimming
Past
I wouldn't have swum you wouldn't have swum he wouldn't have swum we wouldn't have swum you wouldn't have swum they wouldn't have swum
Past continuous
I wouldn't have been swimming you wouldn't have been swimming he wouldn't have been swimming we wouldn't have been swimming you wouldn't have been swimming they wouldn't have been swimming