English verb conjugation
CAN TOMB

Regular verb: tomb - tombed - tombed

Affirmation

Simple form	V-ing form
I can tomb you can tomb she can tomb we can tomb you can tomb they can tomb	I can be tombing you can be tombing she can be tombing we can be tombing you can be tombing they can be tombing
Perfect	V-ing perfect
I can have tombed you can have tombed she can have tombed we can have tombed you can have tombed they can have tombed	I can have been tombing you can have been tombing she can have been tombing we can have been tombing you can have been tombing they can have been tombing

Negation

Simple form	V-ing form
I cannot tomb you cannot tomb she cannot tomb we cannot tomb you cannot tomb they cannot tomb	I cannot be tombing you cannot be tombing she cannot be tombing we cannot be tombing you cannot be tombing they cannot be tombing
Perfect	V-ing perfect
I cannot have tombed you cannot have tombed she cannot have tombed we cannot have tombed you cannot have tombed they cannot have tombed	I cannot have been tombing you cannot have been tombing she cannot have been tombing we cannot have been tombing you cannot have been tombing they cannot have been tombing

Interrogative form

Simple form	V-ing form
can I tomb? can you tomb? can she tomb? can we tomb? can you tomb? can they tomb?	can I be tombing? can you be tombing? can she be tombing? can we be tombing? can you be tombing? can they be tombing?
Perfect	V-ing perfect
can I have tombed? can you have tombed? can she have tombed? can we have tombed? can you have tombed? can they have tombed?	can I have been tombing? can you have been tombing? can she have been tombing? can we have been tombing? can you have been tombing? can they have been tombing?

Interro-negative form

Simple form	V-ing form
can I not tomb? can you not tomb? can she not tomb? can we not tomb? can you not tomb? can they not tomb?	can I not be tombing? can you not be tombing? can she not be tombing? can we not be tombing? can you not be tombing? can they not be tombing?
Perfect	V-ing perfect
can I not have tombed? can you not have tombed? can she not have tombed? can we not have tombed? can you not have tombed? can they not have tombed?	can I not have been tombing? can you not have been tombing? can she not have been tombing? can we not have been tombing? can you not have been tombing? can they not have been tombing?