I modify you modify he modifies we modify you modify they modify
Present continuous
I am modifying you are modifying he is modifying we are modifying you are modifying they are modifying
Preterite
I modified you modified he modified we modified you modified they modified
Preterite continuous
I was modifying you were modifying he was modifying we were modifying you were modifying they were modifying
Present perfect
I have modified you have modified he has modified we have modified you have modified they have modified
Present perfect continuous
I have been modifying you have been modifying he has been modifying we have been modifying you have been modifying they have been modifying
Pluperfect
I had modified you had modified he had modified we had modified you had modified they had modified
Pluperfect continuous
I had been modifying you had been modifying he had been modifying we had been modifying you had been modifying they had been modifying
Future
I will modify you will modify he will modify we will modify you will modify they will modify
Future continuous
I will be modifying you will be modifying he will be modifying we will be modifying you will be modifying they will be modifying
Future perfect
I will have modified you will have modified he will have modified we will have modified you will have modified they will have modified
Future perfect continuous
I will have been modifying you will have been modifying he will have been modifying we will have been modifying you will have been modifying they will have been modifying
Conditional
Present
I would modify you would modify he would modify we would modify you would modify they would modify
Present continuous
I would be modifying you would be modifying he would be modifying we would be modifying you would be modifying they would be modifying
Past
I would have modified you would have modified he would have modified we would have modified you would have modified they would have modified
Past continuous
I would have been modifying you would have been modifying he would have been modifying we would have been modifying you would have been modifying they would have been modifying