English verb conjugation
CAN SHIP

Regular verb: ship - shipped - shipped

Affirmation

Simple form	V-ing form
I can ship you can ship he can ship we can ship you can ship they can ship	I can be shipping you can be shipping he can be shipping we can be shipping you can be shipping they can be shipping
Perfect	V-ing perfect
I can have shipped you can have shipped he can have shipped we can have shipped you can have shipped they can have shipped	I can have been shipping you can have been shipping he can have been shipping we can have been shipping you can have been shipping they can have been shipping

Negation

Simple form	V-ing form
I can't ship you can't ship he can't ship we can't ship you can't ship they can't ship	I can't be shipping you can't be shipping he can't be shipping we can't be shipping you can't be shipping they can't be shipping
Perfect	V-ing perfect
I can't have shipped you can't have shipped he can't have shipped we can't have shipped you can't have shipped they can't have shipped	I can't have been shipping you can't have been shipping he can't have been shipping we can't have been shipping you can't have been shipping they can't have been shipping

Interrogative form

Simple form	V-ing form
can I ship? can you ship? can he ship? can we ship? can you ship? can they ship?	can I be shipping? can you be shipping? can he be shipping? can we be shipping? can you be shipping? can they be shipping?
Perfect	V-ing perfect
can I have shipped? can you have shipped? can he have shipped? can we have shipped? can you have shipped? can they have shipped?	can I have been shipping? can you have been shipping? can he have been shipping? can we have been shipping? can you have been shipping? can they have been shipping?

Interro-negative form

Simple form	V-ing form
can't I ship? can't you ship? can't he ship? can't we ship? can't you ship? can't they ship?	can't I be shipping? can't you be shipping? can't he be shipping? can't we be shipping? can't you be shipping? can't they be shipping?
Perfect	V-ing perfect
can't I have shipped? can't you have shipped? can't he have shipped? can't we have shipped? can't you have shipped? can't they have shipped?	can't I have been shipping? can't you have been shipping? can't he have been shipping? can't we have been shipping? can't you have been shipping? can't they have been shipping?