English verb conjugation
CAN CONSERVE

Regular verb: conserve - conserved - conserved

Affirmation

Simple form	V-ing form
I can conserve you can conserve he can conserve we can conserve you can conserve they can conserve	I can be conserving you can be conserving he can be conserving we can be conserving you can be conserving they can be conserving
Perfect	V-ing perfect
I can have conserved you can have conserved he can have conserved we can have conserved you can have conserved they can have conserved	I can have been conserving you can have been conserving he can have been conserving we can have been conserving you can have been conserving they can have been conserving

Negation

Simple form	V-ing form
I can't conserve you can't conserve he can't conserve we can't conserve you can't conserve they can't conserve	I can't be conserving you can't be conserving he can't be conserving we can't be conserving you can't be conserving they can't be conserving
Perfect	V-ing perfect
I can't have conserved you can't have conserved he can't have conserved we can't have conserved you can't have conserved they can't have conserved	I can't have been conserving you can't have been conserving he can't have been conserving we can't have been conserving you can't have been conserving they can't have been conserving

Interrogative form

Simple form	V-ing form
can I conserve? can you conserve? can he conserve? can we conserve? can you conserve? can they conserve?	can I be conserving? can you be conserving? can he be conserving? can we be conserving? can you be conserving? can they be conserving?
Perfect	V-ing perfect
can I have conserved? can you have conserved? can he have conserved? can we have conserved? can you have conserved? can they have conserved?	can I have been conserving? can you have been conserving? can he have been conserving? can we have been conserving? can you have been conserving? can they have been conserving?

Interro-negative form

Simple form	V-ing form
can't I conserve? can't you conserve? can't he conserve? can't we conserve? can't you conserve? can't they conserve?	can't I be conserving? can't you be conserving? can't he be conserving? can't we be conserving? can't you be conserving? can't they be conserving?
Perfect	V-ing perfect
can't I have conserved? can't you have conserved? can't he have conserved? can't we have conserved? can't you have conserved? can't they have conserved?	can't I have been conserving? can't you have been conserving? can't he have been conserving? can't we have been conserving? can't you have been conserving? can't they have been conserving?