I undergo you undergo he undergoes we undergo you undergo they undergo
Present continuous
I am undergoing you are undergoing he is undergoing we are undergoing you are undergoing they are undergoing
Preterite
I underwent you underwent he underwent we underwent you underwent they underwent
Preterite continuous
I was undergoing you were undergoing he was undergoing we were undergoing you were undergoing they were undergoing
Present perfect
I haveundergone you haveundergone he hasundergone we haveundergone you haveundergone they haveundergone
Present perfect continuous
I have been undergoing you have been undergoing he has been undergoing we have been undergoing you have been undergoing they have been undergoing
Pluperfect
I had undergone you had undergone he had undergone we had undergone you had undergone they had undergone
Pluperfect continuous
I had been undergoing you had been undergoing he had been undergoing we had been undergoing you had been undergoing they had been undergoing
Future
I will undergo you will undergo he will undergo we will undergo you will undergo they will undergo
Future continuous
I will be undergoing you will be undergoing he will be undergoing we will be undergoing you will be undergoing they will be undergoing
Future perfect
I will have undergone you will have undergone he will have undergone we will have undergone you will have undergone they will have undergone
Future perfect continuous
I will have been undergoing you will have been undergoing he will have been undergoing we will have been undergoing you will have been undergoing they will have been undergoing
Conditional
Present
I would undergo you would undergo he would undergo we would undergo you would undergo they would undergo
Present continuous
I would be undergoing you would be undergoing he would be undergoing we would be undergoing you would be undergoing they would be undergoing
Past
I would have undergone you would have undergone he would have undergone we would have undergone you would have undergone they would have undergone
Past continuous
I would have been undergoing you would have been undergoing he would have been undergoing we would have been undergoing you would have been undergoing they would have been undergoing