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