I can moisten you can moisten he can moisten we can moisten you can moisten they can moisten
V-ing form
I can be moistening you can be moistening he can be moistening we can be moistening you can be moistening they can be moistening
Perfect
I can have moistened you can have moistened he can have moistened we can have moistened you can have moistened they can have moistened
V-ing perfect
I can have been moistening you can have been moistening he can have been moistening we can have been moistening you can have been moistening they can have been moistening
Negation
Simple form
I can't moisten you can't moisten he can't moisten we can't moisten you can't moisten they can't moisten
V-ing form
I can't be moistening you can't be moistening he can't be moistening we can't be moistening you can't be moistening they can't be moistening
Perfect
I can't have moistened you can't have moistened he can't have moistened we can't have moistened you can't have moistened they can't have moistened
V-ing perfect
I can't have been moistening you can't have been moistening he can't have been moistening we can't have been moistening you can't have been moistening they can't have been moistening
Interrogative form
Simple form
can I moisten? can you moisten? can he moisten? can we moisten? can you moisten? can they moisten?
V-ing form
can I be moistening? can you be moistening? can he be moistening? can we be moistening? can you be moistening? can they be moistening?
Perfect
can I have moistened? can you have moistened? can he have moistened? can we have moistened? can you have moistened? can they have moistened?
V-ing perfect
can I have been moistening? can you have been moistening? can he have been moistening? can we have been moistening? can you have been moistening? can they have been moistening?
Interro-negative form
Simple form
can't I moisten? can't you moisten? can't he moisten? can't we moisten? can't you moisten? can't they moisten?
V-ing form
can't I be moistening? can't you be moistening? can't he be moistening? can't we be moistening? can't you be moistening? can't they be moistening?
Perfect
can't I have moistened? can't you have moistened? can't he have moistened? can't we have moistened? can't you have moistened? can't they have moistened?
V-ing perfect
can't I have been moistening? can't you have been moistening? can't he have been moistening? can't we have been moistening? can't you have been moistening? can't they have been moistening?