I do not undertake you do not undertake she does not undertake we do not undertake you do not undertake they do not undertake
Present continuous
I am not undertaking you are not undertaking she is not undertaking we are not undertaking you are not undertaking they are not undertaking
Preterite
I did not undertake you did not undertake she did not undertake we did not undertake you did not undertake they did not undertake
Preterite continuous
I was not undertaking you were not undertaking she was not undertaking we were not undertaking you were not undertaking they were not undertaking
Present perfect
I have not undertaken you have not undertaken she has not undertaken we have not undertaken you have not undertaken they have not undertaken
Present perfect continuous
I have not been undertaking you have not been undertaking she has not been undertaking we have not been undertaking you have not been undertaking they have not been undertaking
Pluperfect
I had not undertaken you had not undertaken she had not undertaken we had not undertaken you had not undertaken they had not undertaken
Pluperfect continuous
I had not been undertaking you had not been undertaking she had not been undertaking we had not been undertaking you had not been undertaking they had not been undertaking
Future
I will not undertake you will not undertake she will not undertake we will not undertake you will not undertake they will not undertake
Future continuous
I will not be undertaking you will not be undertaking she will not be undertaking we will not be undertaking you will not be undertaking they will not be undertaking
Future perfect
I will not have undertaken you will not have undertaken she will not have undertaken we will not have undertaken you will not have undertaken they will not have undertaken
Future perfect continuous
I will not have been undertaking you will not have been undertaking she will not have been undertaking we will not have been undertaking you will not have been undertaking they will not have been undertaking
Conditional
Present
I would not undertake you would not undertake she would not undertake we would not undertake you would not undertake they would not undertake
Present continuous
I would not be undertaking you would not be undertaking she would not be undertaking we would not be undertaking you would not be undertaking they would not be undertaking
Past
I would not have undertaken you would not have undertaken she would not have undertaken we would not have undertaken you would not have undertaken they would not have undertaken
Past continuous
I would not have been undertaking you would not have been undertaking she would not have been undertaking we would not have been undertaking you would not have been undertaking they would not have been undertaking
Imperative
Imperative
do not undertake Let's not undertake do not undertake