English verb conjugation
COULD BOTANIZE

Regular verb: botanize - botanized - botanized

Affirmation

Simple form	V-ing form
I could botanize you could botanize he could botanize we could botanize you could botanize they could botanize	I could be botanizing you could be botanizing he could be botanizing we could be botanizing you could be botanizing they could be botanizing
Perfect	V-ing perfect
I could have botanized you could have botanized he could have botanized we could have botanized you could have botanized they could have botanized	I could have been botanizing you could have been botanizing he could have been botanizing we could have been botanizing you could have been botanizing they could have been botanizing

Negation

Simple form	V-ing form
I couldn't botanize you couldn't botanize he couldn't botanize we couldn't botanize you couldn't botanize they couldn't botanize	I couldn't be botanizing you couldn't be botanizing he couldn't be botanizing we couldn't be botanizing you couldn't be botanizing they couldn't be botanizing
Perfect	V-ing perfect
I couldn't have botanized you couldn't have botanized he couldn't have botanized we couldn't have botanized you couldn't have botanized they couldn't have botanized	I couldn't have been botanizing you couldn't have been botanizing he couldn't have been botanizing we couldn't have been botanizing you couldn't have been botanizing they couldn't have been botanizing

Interrogative form

Simple form	V-ing form
could I botanize? could you botanize? could he botanize? could we botanize? could you botanize? could they botanize?	could I be botanizing? could you be botanizing? could he be botanizing? could we be botanizing? could you be botanizing? could they be botanizing?
Perfect	V-ing perfect
could I have botanized? could you have botanized? could he have botanized? could we have botanized? could you have botanized? could they have botanized?	could I have been botanizing? could you have been botanizing? could he have been botanizing? could we have been botanizing? could you have been botanizing? could they have been botanizing?

Interro-negative form

Simple form	V-ing form
couldn't I botanize? couldn't you botanize? couldn't he botanize? couldn't we botanize? couldn't you botanize? couldn't they botanize?	couldn't I be botanizing? couldn't you be botanizing? couldn't he be botanizing? couldn't we be botanizing? couldn't you be botanizing? couldn't they be botanizing?
Perfect	V-ing perfect
couldn't I have botanized? couldn't you have botanized? couldn't he have botanized? couldn't we have botanized? couldn't you have botanized? couldn't they have botanized?	couldn't I have been botanizing? couldn't you have been botanizing? couldn't he have been botanizing? couldn't we have been botanizing? couldn't you have been botanizing? couldn't they have been botanizing?