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