English verb conjugation
COULD EVAPORATE

Regular verb: evaporate - evaporated - evaporated

Affirmation

Simple form	V-ing form
I could evaporate you could evaporate he could evaporate we could evaporate you could evaporate they could evaporate	I could be evaporating you could be evaporating he could be evaporating we could be evaporating you could be evaporating they could be evaporating
Perfect	V-ing perfect
I could have evaporated you could have evaporated he could have evaporated we could have evaporated you could have evaporated they could have evaporated	I could have been evaporating you could have been evaporating he could have been evaporating we could have been evaporating you could have been evaporating they could have been evaporating

Negation

Simple form	V-ing form
I couldn't evaporate you couldn't evaporate he couldn't evaporate we couldn't evaporate you couldn't evaporate they couldn't evaporate	I couldn't be evaporating you couldn't be evaporating he couldn't be evaporating we couldn't be evaporating you couldn't be evaporating they couldn't be evaporating
Perfect	V-ing perfect
I couldn't have evaporated you couldn't have evaporated he couldn't have evaporated we couldn't have evaporated you couldn't have evaporated they couldn't have evaporated	I couldn't have been evaporating you couldn't have been evaporating he couldn't have been evaporating we couldn't have been evaporating you couldn't have been evaporating they couldn't have been evaporating

Interrogative form

Simple form	V-ing form
could I evaporate? could you evaporate? could he evaporate? could we evaporate? could you evaporate? could they evaporate?	could I be evaporating? could you be evaporating? could he be evaporating? could we be evaporating? could you be evaporating? could they be evaporating?
Perfect	V-ing perfect
could I have evaporated? could you have evaporated? could he have evaporated? could we have evaporated? could you have evaporated? could they have evaporated?	could I have been evaporating? could you have been evaporating? could he have been evaporating? could we have been evaporating? could you have been evaporating? could they have been evaporating?

Interro-negative form

Simple form	V-ing form
couldn't I evaporate? couldn't you evaporate? couldn't he evaporate? couldn't we evaporate? couldn't you evaporate? couldn't they evaporate?	couldn't I be evaporating? couldn't you be evaporating? couldn't he be evaporating? couldn't we be evaporating? couldn't you be evaporating? couldn't they be evaporating?
Perfect	V-ing perfect
couldn't I have evaporated? couldn't you have evaporated? couldn't he have evaporated? couldn't we have evaporated? couldn't you have evaporated? couldn't they have evaporated?	couldn't I have been evaporating? couldn't you have been evaporating? couldn't he have been evaporating? couldn't we have been evaporating? couldn't you have been evaporating? couldn't they have been evaporating?