I don't modify you don't modify he doesn't modify we don't modify you don't modify they don't modify
Present continuous
I'm not modifying you aren't modifying he isn't modifying we aren't modifying you aren't modifying they aren't modifying
Preterite
I didn't modify you didn't modify he didn't modify we didn't modify you didn't modify they didn't modify
Preterite continuous
I wasn't modifying you weren't modifying he wasn't modifying we weren't modifying you weren't modifying they weren't modifying
Present perfect
I haven't modified you haven't modified he hasn't modified we haven't modified you haven't modified they haven't modified
Present perfect continuous
I haven't been modifying you haven't been modifying he hasn't been modifying we haven't been modifying you haven't been modifying they haven't been modifying
Pluperfect
I hadn't modified you hadn't modified he hadn't modified we hadn't modified you hadn't modified they hadn't modified
Pluperfect continuous
I hadn't been modifying you hadn't been modifying he hadn't been modifying we hadn't been modifying you hadn't been modifying they hadn't been modifying
Future
I won't modify you won't modify he won't modify we won't modify you won't modify they won't modify
Future continuous
I won't be modifying you won't be modifying he won't be modifying we won't be modifying you won't be modifying they won't be modifying
Future perfect
I won't have modified you won't have modified he won't have modified we won't have modified you won't have modified they won't have modified
Future perfect continuous
I won't have been modifying you won't have been modifying he won't have been modifying we won't have been modifying you won't have been modifying they won't have been modifying
Conditional
Present
I wouldn't modify you wouldn't modify he wouldn't modify we wouldn't modify you wouldn't modify they wouldn't modify
Present continuous
I wouldn't be modifying you wouldn't be modifying he wouldn't be modifying we wouldn't be modifying you wouldn't be modifying they wouldn't be modifying
Past
I wouldn't have modified you wouldn't have modified he wouldn't have modified we wouldn't have modified you wouldn't have modified they wouldn't have modified
Past continuous
I wouldn't have been modifying you wouldn't have been modifying he wouldn't have been modifying we wouldn't have been modifying you wouldn't have been modifying they wouldn't have been modifying