I can carpenter you can carpenter he can carpenter we can carpenter you can carpenter they can carpenter
V-ing form
I can be carpentering you can be carpentering he can be carpentering we can be carpentering you can be carpentering they can be carpentering
Perfect
I can have carpentered you can have carpentered he can have carpentered we can have carpentered you can have carpentered they can have carpentered
V-ing perfect
I can have been carpentering you can have been carpentering he can have been carpentering we can have been carpentering you can have been carpentering they can have been carpentering
Negation
Simple form
I can't carpenter you can't carpenter he can't carpenter we can't carpenter you can't carpenter they can't carpenter
V-ing form
I can't be carpentering you can't be carpentering he can't be carpentering we can't be carpentering you can't be carpentering they can't be carpentering
Perfect
I can't have carpentered you can't have carpentered he can't have carpentered we can't have carpentered you can't have carpentered they can't have carpentered
V-ing perfect
I can't have been carpentering you can't have been carpentering he can't have been carpentering we can't have been carpentering you can't have been carpentering they can't have been carpentering
Interrogative form
Simple form
can I carpenter? can you carpenter? can he carpenter? can we carpenter? can you carpenter? can they carpenter?
V-ing form
can I be carpentering? can you be carpentering? can he be carpentering? can we be carpentering? can you be carpentering? can they be carpentering?
Perfect
can I have carpentered? can you have carpentered? can he have carpentered? can we have carpentered? can you have carpentered? can they have carpentered?
V-ing perfect
can I have been carpentering? can you have been carpentering? can he have been carpentering? can we have been carpentering? can you have been carpentering? can they have been carpentering?
Interro-negative form
Simple form
can't I carpenter? can't you carpenter? can't he carpenter? can't we carpenter? can't you carpenter? can't they carpenter?
V-ing form
can't I be carpentering? can't you be carpentering? can't he be carpentering? can't we be carpentering? can't you be carpentering? can't they be carpentering?
Perfect
can't I have carpentered? can't you have carpentered? can't he have carpentered? can't we have carpentered? can't you have carpentered? can't they have carpentered?
V-ing perfect
can't I have been carpentering? can't you have been carpentering? can't he have been carpentering? can't we have been carpentering? can't you have been carpentering? can't they have been carpentering?