I can botanize you can botanize he can botanize we can botanize you can botanize they can botanize
V-ing form
I can be botanizing you can be botanizing he can be botanizing we can be botanizing you can be botanizing they can be botanizing
Perfect
I can have botanized you can have botanized he can have botanized we can have botanized you can have botanized they can have botanized
V-ing perfect
I can have been botanizing you can have been botanizing he can have been botanizing we can have been botanizing you can have been botanizing they can have been botanizing
Negation
Simple form
I can't botanize you can't botanize he can't botanize we can't botanize you can't botanize they can't botanize
V-ing form
I can't be botanizing you can't be botanizing he can't be botanizing we can't be botanizing you can't be botanizing they can't be botanizing
Perfect
I can't have botanized you can't have botanized he can't have botanized we can't have botanized you can't have botanized they can't have botanized
V-ing perfect
I can't have been botanizing you can't have been botanizing he can't have been botanizing we can't have been botanizing you can't have been botanizing they can't have been botanizing
Interrogative form
Simple form
can I botanize? can you botanize? can he botanize? can we botanize? can you botanize? can they botanize?
V-ing form
can I be botanizing? can you be botanizing? can he be botanizing? can we be botanizing? can you be botanizing? can they be botanizing?
Perfect
can I have botanized? can you have botanized? can he have botanized? can we have botanized? can you have botanized? can they have botanized?
V-ing perfect
can I have been botanizing? can you have been botanizing? can he have been botanizing? can we have been botanizing? can you have been botanizing? can they have been botanizing?
Interro-negative form
Simple form
can't I botanize? can't you botanize? can't he botanize? can't we botanize? can't you botanize? can't they botanize?
V-ing form
can't I be botanizing? can't you be botanizing? can't he be botanizing? can't we be botanizing? can't you be botanizing? can't they be botanizing?
Perfect
can't I have botanized? can't you have botanized? can't he have botanized? can't we have botanized? can't you have botanized? can't they have botanized?
V-ing perfect
can't I have been botanizing? can't you have been botanizing? can't he have been botanizing? can't we have been botanizing? can't you have been botanizing? can't they have been botanizing?