English verb conjugation
COULD MOISTEN

Regular verb: moisten - moistened - moistened

Affirmation

Simple form	V-ing form
I could moisten you could moisten she could moisten we could moisten you could moisten they could moisten	I could be moistening you could be moistening she could be moistening we could be moistening you could be moistening they could be moistening
Perfect	V-ing perfect
I could have moistened you could have moistened she could have moistened we could have moistened you could have moistened they could have moistened	I could have been moistening you could have been moistening she could have been moistening we could have been moistening you could have been moistening they could have been moistening

Negation

Simple form	V-ing form
I couldn't moisten you couldn't moisten she couldn't moisten we couldn't moisten you couldn't moisten they couldn't moisten	I couldn't be moistening you couldn't be moistening she couldn't be moistening we couldn't be moistening you couldn't be moistening they couldn't be moistening
Perfect	V-ing perfect
I couldn't have moistened you couldn't have moistened she couldn't have moistened we couldn't have moistened you couldn't have moistened they couldn't have moistened	I couldn't have been moistening you couldn't have been moistening she couldn't have been moistening we couldn't have been moistening you couldn't have been moistening they couldn't have been moistening

Interrogative form

Simple form	V-ing form
could I moisten? could you moisten? could she moisten? could we moisten? could you moisten? could they moisten?	could I be moistening? could you be moistening? could she be moistening? could we be moistening? could you be moistening? could they be moistening?
Perfect	V-ing perfect
could I have moistened? could you have moistened? could she have moistened? could we have moistened? could you have moistened? could they have moistened?	could I have been moistening? could you have been moistening? could she have been moistening? could we have been moistening? could you have been moistening? could they have been moistening?

Interro-negative form

Simple form	V-ing form
couldn't I moisten? couldn't you moisten? couldn't she moisten? couldn't we moisten? couldn't you moisten? couldn't they moisten?	couldn't I be moistening? couldn't you be moistening? couldn't she be moistening? couldn't we be moistening? couldn't you be moistening? couldn't they be moistening?
Perfect	V-ing perfect
couldn't I have moistened? couldn't you have moistened? couldn't she have moistened? couldn't we have moistened? couldn't you have moistened? couldn't they have moistened?	couldn't I have been moistening? couldn't you have been moistening? couldn't she have been moistening? couldn't we have been moistening? couldn't you have been moistening? couldn't they have been moistening?