I warn you warn he warns we warn you warn they warn
Present continuous
I am warning you are warning he is warning we are warning you are warning they are warning
Preterite
I warned you warned he warned we warned you warned they warned
Preterite continuous
I was warning you were warning he was warning we were warning you were warning they were warning
Present perfect
I have warned you have warned he has warned we have warned you have warned they have warned
Present perfect continuous
I have been warning you have been warning he has been warning we have been warning you have been warning they have been warning
Pluperfect
I had warned you had warned he had warned we had warned you had warned they had warned
Pluperfect continuous
I had been warning you had been warning he had been warning we had been warning you had been warning they had been warning
Future
I will warn you will warn he will warn we will warn you will warn they will warn
Future continuous
I will be warning you will be warning he will be warning we will be warning you will be warning they will be warning
Future perfect
I will have warned you will have warned he will have warned we will have warned you will have warned they will have warned
Future perfect continuous
I will have been warning you will have been warning he will have been warning we will have been warning you will have been warning they will have been warning
Conditional
Present
I would warn you would warn he would warn we would warn you would warn they would warn
Present continuous
I would be warning you would be warning he would be warning we would be warning you would be warning they would be warning
Past
I would have warned you would have warned he would have warned we would have warned you would have warned they would have warned
Past continuous
I would have been warning you would have been warning he would have been warning we would have been warning you would have been warning they would have been warning