I can stipulate you can stipulate she can stipulate we can stipulate you can stipulate they can stipulate
V-ing form
I can be stipulating you can be stipulating she can be stipulating we can be stipulating you can be stipulating they can be stipulating
Perfect
I can have stipulated you can have stipulated she can have stipulated we can have stipulated you can have stipulated they can have stipulated
V-ing perfect
I can have been stipulating you can have been stipulating she can have been stipulating we can have been stipulating you can have been stipulating they can have been stipulating
Negation
Simple form
I can't stipulate you can't stipulate she can't stipulate we can't stipulate you can't stipulate they can't stipulate
V-ing form
I can't be stipulating you can't be stipulating she can't be stipulating we can't be stipulating you can't be stipulating they can't be stipulating
Perfect
I can't have stipulated you can't have stipulated she can't have stipulated we can't have stipulated you can't have stipulated they can't have stipulated
V-ing perfect
I can't have been stipulating you can't have been stipulating she can't have been stipulating we can't have been stipulating you can't have been stipulating they can't have been stipulating
Interrogative form
Simple form
can I stipulate? can you stipulate? can she stipulate? can we stipulate? can you stipulate? can they stipulate?
V-ing form
can I be stipulating? can you be stipulating? can she be stipulating? can we be stipulating? can you be stipulating? can they be stipulating?
Perfect
can I have stipulated? can you have stipulated? can she have stipulated? can we have stipulated? can you have stipulated? can they have stipulated?
V-ing perfect
can I have been stipulating? can you have been stipulating? can she have been stipulating? can we have been stipulating? can you have been stipulating? can they have been stipulating?
Interro-negative form
Simple form
can't I stipulate? can't you stipulate? can't she stipulate? can't we stipulate? can't you stipulate? can't they stipulate?
V-ing form
can't I be stipulating? can't you be stipulating? can't she be stipulating? can't we be stipulating? can't you be stipulating? can't they be stipulating?
Perfect
can't I have stipulated? can't you have stipulated? can't she have stipulated? can't we have stipulated? can't you have stipulated? can't they have stipulated?
V-ing perfect
can't I have been stipulating? can't you have been stipulating? can't she have been stipulating? can't we have been stipulating? can't you have been stipulating? can't they have been stipulating?