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