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 cannot lob you cannot lob he cannot lob we cannot lob you cannot lob they cannot lob	I cannot be lobing you cannot be lobing he cannot be lobing we cannot be lobing you cannot be lobing they cannot be lobing
Perfect	V-ing perfect
I cannot have lobed you cannot have lobed he cannot have lobed we cannot have lobed you cannot have lobed they cannot have lobed	I cannot have been lobing you cannot have been lobing he cannot have been lobing we cannot have been lobing you cannot have been lobing they cannot 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 I not lob? can you not lob? can he not lob? can we not lob? can you not lob? can they not lob?	can I not be lobing? can you not be lobing? can he not be lobing? can we not be lobing? can you not be lobing? can they not be lobing?
Perfect	V-ing perfect
can I not have lobed? can you not have lobed? can he not have lobed? can we not have lobed? can you not have lobed? can they not have lobed?	can I not have been lobing? can you not have been lobing? can he not have been lobing? can we not have been lobing? can you not have been lobing? can they not have been lobing?