English verb conjugation
CAN GASH

Regular verb: gash - gashed - gashed

Affirmation

Simple form	V-ing form
I can gash you can gash he can gash we can gash you can gash they can gash	I can be gashing you can be gashing he can be gashing we can be gashing you can be gashing they can be gashing
Perfect	V-ing perfect
I can have gashed you can have gashed he can have gashed we can have gashed you can have gashed they can have gashed	I can have been gashing you can have been gashing he can have been gashing we can have been gashing you can have been gashing they can have been gashing

Negation

Simple form	V-ing form
I cannot gash you cannot gash he cannot gash we cannot gash you cannot gash they cannot gash	I cannot be gashing you cannot be gashing he cannot be gashing we cannot be gashing you cannot be gashing they cannot be gashing
Perfect	V-ing perfect
I cannot have gashed you cannot have gashed he cannot have gashed we cannot have gashed you cannot have gashed they cannot have gashed	I cannot have been gashing you cannot have been gashing he cannot have been gashing we cannot have been gashing you cannot have been gashing they cannot have been gashing

Interrogative form

Simple form	V-ing form
can I gash? can you gash? can he gash? can we gash? can you gash? can they gash?	can I be gashing? can you be gashing? can he be gashing? can we be gashing? can you be gashing? can they be gashing?
Perfect	V-ing perfect
can I have gashed? can you have gashed? can he have gashed? can we have gashed? can you have gashed? can they have gashed?	can I have been gashing? can you have been gashing? can he have been gashing? can we have been gashing? can you have been gashing? can they have been gashing?

Interro-negative form

Simple form	V-ing form
can I not gash? can you not gash? can he not gash? can we not gash? can you not gash? can they not gash?	can I not be gashing? can you not be gashing? can he not be gashing? can we not be gashing? can you not be gashing? can they not be gashing?
Perfect	V-ing perfect
can I not have gashed? can you not have gashed? can he not have gashed? can we not have gashed? can you not have gashed? can they not have gashed?	can I not have been gashing? can you not have been gashing? can he not have been gashing? can we not have been gashing? can you not have been gashing? can they not have been gashing?