can design
Regular verb: design - designed- designed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can design
you can design
she can design
we can design
you can design
they can design 	I can be designing
you can be designing
she can be designing
we can be designing
you can be designing
they can be designing	I can have designed
you can have designed
she can have designed
we can have designed
you can have designed
they can have designed	I can have been designing
you can have been designing
she can have been designing
we can have been designing
you can have been designing
they can have been designing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't design
you can't design
she can't design
we can't design
you can't design
they can't design 	I can't be designing
you can't be designing
she can't be designing
we can't be designing
you can't be designing
they can't be designing	I can't have designed
you can't have designed
she can't have designed
we can't have designed
you can't have designed
they can't have designed	I can't have been designing
you can't have been designing
she can't have been designing
we can't have been designing
you can't have been designing
they can't have been designing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I design?
can you design?
can she design?
can we design?
can you design?
can they design? 	can I be designing?
can you be designing?
can she be designing?
can we be designing?
can you be designing?
can they be designing? 	can I have designed?
can you have designed?
can she have designed?
can we have designed?
can you have designed?
can they have designed? 	can I have been designing?
can you have been designing?
can she have been designing?
can we have been designing?
can you have been designing?
can they have been designing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I design?
can't you design?
can't she design?
can't we design?
can't you design?
can't they design? 	can't I be designing?
can't you be designing?
can't she be designing?
can't we be designing?
can't you be designing?
can't they be designing? 	can't I have designed?
can't you have designed?
can't she have designed?
can't we have designed?
can't you have designed?
can't they have designed? 	can't I have been designing?
can't you have been designing?
can't she have been designing?
can't we have been designing?
can't you have been designing?
can't they have been designing?