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