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