I undertain you undertain he undertains we undertain you undertain they undertain
Present continuous
I am undertaining you are undertaining he is undertaining we are undertaining you are undertaining they are undertaining
Preterite
I undertained you undertained he undertained we undertained you undertained they undertained
Preterite continuous
I was undertaining you were undertaining he was undertaining we were undertaining you were undertaining they were undertaining
Present perfect
I have undertained you have undertained he has undertained we have undertained you have undertained they have undertained
Present perfect continuous
I have been undertaining you have been undertaining he has been undertaining we have been undertaining you have been undertaining they have been undertaining
Pluperfect
I had undertained you had undertained he had undertained we had undertained you had undertained they had undertained
Pluperfect continuous
I had been undertaining you had been undertaining he had been undertaining we had been undertaining you had been undertaining they had been undertaining
Future
I will undertain you will undertain he will undertain we will undertain you will undertain they will undertain
Future continuous
I will be undertaining you will be undertaining he will be undertaining we will be undertaining you will be undertaining they will be undertaining
Future perfect
I will have undertained you will have undertained he will have undertained we will have undertained you will have undertained they will have undertained
Future perfect continuous
I will have been undertaining you will have been undertaining he will have been undertaining we will have been undertaining you will have been undertaining they will have been undertaining
Conditional
Present
I would undertain you would undertain he would undertain we would undertain you would undertain they would undertain
Present continuous
I would be undertaining you would be undertaining he would be undertaining we would be undertaining you would be undertaining they would be undertaining
Past
I would have undertained you would have undertained he would have undertained we would have undertained you would have undertained they would have undertained
Past continuous
I would have been undertaining you would have been undertaining he would have been undertaining we would have been undertaining you would have been undertaining they would have been undertaining