I tamper you tamper he tampers we tamper you tamper they tamper
Present continuous
I am tampering you are tampering he is tampering we are tampering you are tampering they are tampering
Preterite
I tampered you tampered he tampered we tampered you tampered they tampered
Preterite continuous
I was tampering you were tampering he was tampering we were tampering you were tampering they were tampering
Present perfect
I have tampered you have tampered he has tampered we have tampered you have tampered they have tampered
Present perfect continuous
I have been tampering you have been tampering he has been tampering we have been tampering you have been tampering they have been tampering
Pluperfect
I had tampered you had tampered he had tampered we had tampered you had tampered they had tampered
Pluperfect continuous
I had been tampering you had been tampering he had been tampering we had been tampering you had been tampering they had been tampering
Future
I will tamper you will tamper he will tamper we will tamper you will tamper they will tamper
Future continuous
I will be tampering you will be tampering he will be tampering we will be tampering you will be tampering they will be tampering
Future perfect
I will have tampered you will have tampered he will have tampered we will have tampered you will have tampered they will have tampered
Future perfect continuous
I will have been tampering you will have been tampering he will have been tampering we will have been tampering you will have been tampering they will have been tampering
Conditional
Present
I would tamper you would tamper he would tamper we would tamper you would tamper they would tamper
Present continuous
I would be tampering you would be tampering he would be tampering we would be tampering you would be tampering they would be tampering
Past
I would have tampered you would have tampered he would have tampered we would have tampered you would have tampered they would have tampered
Past continuous
I would have been tampering you would have been tampering he would have been tampering we would have been tampering you would have been tampering they would have been tampering