English verb conjugation
CAN LOB

Regular verb: lob - lobed - lobed

Affirmation

Simple form	V-ing form
I can lob you can lob he can lob we can lob you can lob they can lob	I can be lobing you can be lobing he can be lobing we can be lobing you can be lobing they can be lobing
Perfect	V-ing perfect
I can have lobed you can have lobed he can have lobed we can have lobed you can have lobed they can have lobed	I can have been lobing you can have been lobing he can have been lobing we can have been lobing you can have been lobing they can have been lobing

Negation

Simple form	V-ing form
I can't lob you can't lob he can't lob we can't lob you can't lob they can't lob	I can't be lobing you can't be lobing he can't be lobing we can't be lobing you can't be lobing they can't be lobing
Perfect	V-ing perfect
I can't have lobed you can't have lobed he can't have lobed we can't have lobed you can't have lobed they can't have lobed	I can't have been lobing you can't have been lobing he can't have been lobing we can't have been lobing you can't have been lobing they can't have been lobing

Interrogative form

Simple form	V-ing form
can I lob? can you lob? can he lob? can we lob? can you lob? can they lob?	can I be lobing? can you be lobing? can he be lobing? can we be lobing? can you be lobing? can they be lobing?
Perfect	V-ing perfect
can I have lobed? can you have lobed? can he have lobed? can we have lobed? can you have lobed? can they have lobed?	can I have been lobing? can you have been lobing? can he have been lobing? can we have been lobing? can you have been lobing? can they have been lobing?

Interro-negative form

Simple form	V-ing form
can't I lob? can't you lob? can't he lob? can't we lob? can't you lob? can't they lob?	can't I be lobing? can't you be lobing? can't he be lobing? can't we be lobing? can't you be lobing? can't they be lobing?
Perfect	V-ing perfect
can't I have lobed? can't you have lobed? can't he have lobed? can't we have lobed? can't you have lobed? can't they have lobed?	can't I have been lobing? can't you have been lobing? can't he have been lobing? can't we have been lobing? can't you have been lobing? can't they have been lobing?