English verb conjugation
COULD FUMIGATE

Regular verb: fumigate - fumigated - fumigated

Affirmation

Simple form	V-ing form
I could fumigate you could fumigate she could fumigate we could fumigate you could fumigate they could fumigate	I could be fumigating you could be fumigating she could be fumigating we could be fumigating you could be fumigating they could be fumigating
Perfect	V-ing perfect
I could have fumigated you could have fumigated she could have fumigated we could have fumigated you could have fumigated they could have fumigated	I could have been fumigating you could have been fumigating she could have been fumigating we could have been fumigating you could have been fumigating they could have been fumigating

Negation

Simple form	V-ing form
I couldn't fumigate you couldn't fumigate she couldn't fumigate we couldn't fumigate you couldn't fumigate they couldn't fumigate	I couldn't be fumigating you couldn't be fumigating she couldn't be fumigating we couldn't be fumigating you couldn't be fumigating they couldn't be fumigating
Perfect	V-ing perfect
I couldn't have fumigated you couldn't have fumigated she couldn't have fumigated we couldn't have fumigated you couldn't have fumigated they couldn't have fumigated	I couldn't have been fumigating you couldn't have been fumigating she couldn't have been fumigating we couldn't have been fumigating you couldn't have been fumigating they couldn't have been fumigating

Interrogative form

Simple form	V-ing form
could I fumigate? could you fumigate? could she fumigate? could we fumigate? could you fumigate? could they fumigate?	could I be fumigating? could you be fumigating? could she be fumigating? could we be fumigating? could you be fumigating? could they be fumigating?
Perfect	V-ing perfect
could I have fumigated? could you have fumigated? could she have fumigated? could we have fumigated? could you have fumigated? could they have fumigated?	could I have been fumigating? could you have been fumigating? could she have been fumigating? could we have been fumigating? could you have been fumigating? could they have been fumigating?

Interro-negative form

Simple form	V-ing form
couldn't I fumigate? couldn't you fumigate? couldn't she fumigate? couldn't we fumigate? couldn't you fumigate? couldn't they fumigate?	couldn't I be fumigating? couldn't you be fumigating? couldn't she be fumigating? couldn't we be fumigating? couldn't you be fumigating? couldn't they be fumigating?
Perfect	V-ing perfect
couldn't I have fumigated? couldn't you have fumigated? couldn't she have fumigated? couldn't we have fumigated? couldn't you have fumigated? couldn't they have fumigated?	couldn't I have been fumigating? couldn't you have been fumigating? couldn't she have been fumigating? couldn't we have been fumigating? couldn't you have been fumigating? couldn't they have been fumigating?