I can pasture you can pasture he can pasture we can pasture you can pasture they can pasture
V-ing form
I can be pasturing you can be pasturing he can be pasturing we can be pasturing you can be pasturing they can be pasturing
Perfect
I can have pastured you can have pastured he can have pastured we can have pastured you can have pastured they can have pastured
V-ing perfect
I can have been pasturing you can have been pasturing he can have been pasturing we can have been pasturing you can have been pasturing they can have been pasturing
Negation
Simple form
I can't pasture you can't pasture he can't pasture we can't pasture you can't pasture they can't pasture
V-ing form
I can't be pasturing you can't be pasturing he can't be pasturing we can't be pasturing you can't be pasturing they can't be pasturing
Perfect
I can't have pastured you can't have pastured he can't have pastured we can't have pastured you can't have pastured they can't have pastured
V-ing perfect
I can't have been pasturing you can't have been pasturing he can't have been pasturing we can't have been pasturing you can't have been pasturing they can't have been pasturing
Interrogative form
Simple form
can I pasture? can you pasture? can he pasture? can we pasture? can you pasture? can they pasture?
V-ing form
can I be pasturing? can you be pasturing? can he be pasturing? can we be pasturing? can you be pasturing? can they be pasturing?
Perfect
can I have pastured? can you have pastured? can he have pastured? can we have pastured? can you have pastured? can they have pastured?
V-ing perfect
can I have been pasturing? can you have been pasturing? can he have been pasturing? can we have been pasturing? can you have been pasturing? can they have been pasturing?
Interro-negative form
Simple form
can't I pasture? can't you pasture? can't he pasture? can't we pasture? can't you pasture? can't they pasture?
V-ing form
can't I be pasturing? can't you be pasturing? can't he be pasturing? can't we be pasturing? can't you be pasturing? can't they be pasturing?
Perfect
can't I have pastured? can't you have pastured? can't he have pastured? can't we have pastured? can't you have pastured? can't they have pastured?
V-ing perfect
can't I have been pasturing? can't you have been pasturing? can't he have been pasturing? can't we have been pasturing? can't you have been pasturing? can't they have been pasturing?