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