English verb conjugation
CAN GNASH

Regular verb: gnash - gnashed - gnashed

Affirmation

Simple form	V-ing form
I can gnash you can gnash she can gnash we can gnash you can gnash they can gnash	I can be gnashing you can be gnashing she can be gnashing we can be gnashing you can be gnashing they can be gnashing
Perfect	V-ing perfect
I can have gnashed you can have gnashed she can have gnashed we can have gnashed you can have gnashed they can have gnashed	I can have been gnashing you can have been gnashing she can have been gnashing we can have been gnashing you can have been gnashing they can have been gnashing

Negation

Simple form	V-ing form
I can't gnash you can't gnash she can't gnash we can't gnash you can't gnash they can't gnash	I can't be gnashing you can't be gnashing she can't be gnashing we can't be gnashing you can't be gnashing they can't be gnashing
Perfect	V-ing perfect
I can't have gnashed you can't have gnashed she can't have gnashed we can't have gnashed you can't have gnashed they can't have gnashed	I can't have been gnashing you can't have been gnashing she can't have been gnashing we can't have been gnashing you can't have been gnashing they can't have been gnashing

Interrogative form

Simple form	V-ing form
can I gnash? can you gnash? can she gnash? can we gnash? can you gnash? can they gnash?	can I be gnashing? can you be gnashing? can she be gnashing? can we be gnashing? can you be gnashing? can they be gnashing?
Perfect	V-ing perfect
can I have gnashed? can you have gnashed? can she have gnashed? can we have gnashed? can you have gnashed? can they have gnashed?	can I have been gnashing? can you have been gnashing? can she have been gnashing? can we have been gnashing? can you have been gnashing? can they have been gnashing?

Interro-negative form

Simple form	V-ing form
can't I gnash? can't you gnash? can't she gnash? can't we gnash? can't you gnash? can't they gnash?	can't I be gnashing? can't you be gnashing? can't she be gnashing? can't we be gnashing? can't you be gnashing? can't they be gnashing?
Perfect	V-ing perfect
can't I have gnashed? can't you have gnashed? can't she have gnashed? can't we have gnashed? can't you have gnashed? can't they have gnashed?	can't I have been gnashing? can't you have been gnashing? can't she have been gnashing? can't we have been gnashing? can't you have been gnashing? can't they have been gnashing?