I can obligate you can obligate he can obligate we can obligate you can obligate they can obligate
V-ing form
I can be obligating you can be obligating he can be obligating we can be obligating you can be obligating they can be obligating
Perfect
I can have obligated you can have obligated he can have obligated we can have obligated you can have obligated they can have obligated
V-ing perfect
I can have been obligating you can have been obligating he can have been obligating we can have been obligating you can have been obligating they can have been obligating
Negation
Simple form
I can't obligate you can't obligate he can't obligate we can't obligate you can't obligate they can't obligate
V-ing form
I can't be obligating you can't be obligating he can't be obligating we can't be obligating you can't be obligating they can't be obligating
Perfect
I can't have obligated you can't have obligated he can't have obligated we can't have obligated you can't have obligated they can't have obligated
V-ing perfect
I can't have been obligating you can't have been obligating he can't have been obligating we can't have been obligating you can't have been obligating they can't have been obligating
Interrogative form
Simple form
can I obligate? can you obligate? can he obligate? can we obligate? can you obligate? can they obligate?
V-ing form
can I be obligating? can you be obligating? can he be obligating? can we be obligating? can you be obligating? can they be obligating?
Perfect
can I have obligated? can you have obligated? can he have obligated? can we have obligated? can you have obligated? can they have obligated?
V-ing perfect
can I have been obligating? can you have been obligating? can he have been obligating? can we have been obligating? can you have been obligating? can they have been obligating?
Interro-negative form
Simple form
can't I obligate? can't you obligate? can't he obligate? can't we obligate? can't you obligate? can't they obligate?
V-ing form
can't I be obligating? can't you be obligating? can't he be obligating? can't we be obligating? can't you be obligating? can't they be obligating?
Perfect
can't I have obligated? can't you have obligated? can't he have obligated? can't we have obligated? can't you have obligated? can't they have obligated?
V-ing perfect
can't I have been obligating? can't you have been obligating? can't he have been obligating? can't we have been obligating? can't you have been obligating? can't they have been obligating?