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 can't gash you can't gash he can't gash we can't gash you can't gash they can't gash	I can't be gashing you can't be gashing he can't be gashing we can't be gashing you can't be gashing they can't be gashing
Perfect	V-ing perfect
I can't have gashed you can't have gashed he can't have gashed we can't have gashed you can't have gashed they can't have gashed	I can't have been gashing you can't have been gashing he can't have been gashing we can't have been gashing you can't have been gashing they can't 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't I gash? can't you gash? can't he gash? can't we gash? can't you gash? can't they gash?	can't I be gashing? can't you be gashing? can't he be gashing? can't we be gashing? can't you be gashing? can't they be gashing?
Perfect	V-ing perfect
can't I have gashed? can't you have gashed? can't he have gashed? can't we have gashed? can't you have gashed? can't they have gashed?	can't I have been gashing? can't you have been gashing? can't he have been gashing? can't we have been gashing? can't you have been gashing? can't they have been gashing?