I don't undertake you don't undertake he doesn't undertake we don't undertake you don't undertake they don't undertake
Present continuous
I'm not undertaking you aren't undertaking he isn't undertaking we aren't undertaking you aren't undertaking they aren't undertaking
Preterite
I didn't undertake you didn't undertake he didn't undertake we didn't undertake you didn't undertake they didn't undertake
Preterite continuous
I wasn't undertaking you weren't undertaking he wasn't undertaking we weren't undertaking you weren't undertaking they weren't undertaking
Present perfect
I haven't undertaken you haven't undertaken he hasn't undertaken we haven't undertaken you haven't undertaken they haven't undertaken
Present perfect continuous
I haven't been undertaking you haven't been undertaking he hasn't been undertaking we haven't been undertaking you haven't been undertaking they haven't been undertaking
Pluperfect
I hadn't undertaken you hadn't undertaken he hadn't undertaken we hadn't undertaken you hadn't undertaken they hadn't undertaken
Pluperfect continuous
I hadn't been undertaking you hadn't been undertaking he hadn't been undertaking we hadn't been undertaking you hadn't been undertaking they hadn't been undertaking
Future
I won't undertake you won't undertake he won't undertake we won't undertake you won't undertake they won't undertake
Future continuous
I won't be undertaking you won't be undertaking he won't be undertaking we won't be undertaking you won't be undertaking they won't be undertaking
Future perfect
I won't have undertaken you won't have undertaken he won't have undertaken we won't have undertaken you won't have undertaken they won't have undertaken
Future perfect continuous
I won't have been undertaking you won't have been undertaking he won't have been undertaking we won't have been undertaking you won't have been undertaking they won't have been undertaking
Conditional
Present
I wouldn't undertake you wouldn't undertake he wouldn't undertake we wouldn't undertake you wouldn't undertake they wouldn't undertake
Present continuous
I wouldn't be undertaking you wouldn't be undertaking he wouldn't be undertaking we wouldn't be undertaking you wouldn't be undertaking they wouldn't be undertaking
Past
I wouldn't have undertaken you wouldn't have undertaken he wouldn't have undertaken we wouldn't have undertaken you wouldn't have undertaken they wouldn't have undertaken
Past continuous
I wouldn't have been undertaking you wouldn't have been undertaking he wouldn't have been undertaking we wouldn't have been undertaking you wouldn't have been undertaking they wouldn't have been undertaking
Imperative
Imperative
do not undertake Let's not undertake do not undertake