English verb conjugation
COULD TICKET

Regular verb: ticket - ticketed - ticketed

Affirmation

Simple form	V-ing form
I could ticket you could ticket he could ticket we could ticket you could ticket they could ticket	I could be ticketing you could be ticketing he could be ticketing we could be ticketing you could be ticketing they could be ticketing
Perfect	V-ing perfect
I could have ticketed you could have ticketed he could have ticketed we could have ticketed you could have ticketed they could have ticketed	I could have been ticketing you could have been ticketing he could have been ticketing we could have been ticketing you could have been ticketing they could have been ticketing

Negation

Simple form	V-ing form
I couldn't ticket you couldn't ticket he couldn't ticket we couldn't ticket you couldn't ticket they couldn't ticket	I couldn't be ticketing you couldn't be ticketing he couldn't be ticketing we couldn't be ticketing you couldn't be ticketing they couldn't be ticketing
Perfect	V-ing perfect
I couldn't have ticketed you couldn't have ticketed he couldn't have ticketed we couldn't have ticketed you couldn't have ticketed they couldn't have ticketed	I couldn't have been ticketing you couldn't have been ticketing he couldn't have been ticketing we couldn't have been ticketing you couldn't have been ticketing they couldn't have been ticketing

Interrogative form

Simple form	V-ing form
could I ticket? could you ticket? could he ticket? could we ticket? could you ticket? could they ticket?	could I be ticketing? could you be ticketing? could he be ticketing? could we be ticketing? could you be ticketing? could they be ticketing?
Perfect	V-ing perfect
could I have ticketed? could you have ticketed? could he have ticketed? could we have ticketed? could you have ticketed? could they have ticketed?	could I have been ticketing? could you have been ticketing? could he have been ticketing? could we have been ticketing? could you have been ticketing? could they have been ticketing?

Interro-negative form

Simple form	V-ing form
couldn't I ticket? couldn't you ticket? couldn't he ticket? couldn't we ticket? couldn't you ticket? couldn't they ticket?	couldn't I be ticketing? couldn't you be ticketing? couldn't he be ticketing? couldn't we be ticketing? couldn't you be ticketing? couldn't they be ticketing?
Perfect	V-ing perfect
couldn't I have ticketed? couldn't you have ticketed? couldn't he have ticketed? couldn't we have ticketed? couldn't you have ticketed? couldn't they have ticketed?	couldn't I have been ticketing? couldn't you have been ticketing? couldn't he have been ticketing? couldn't we have been ticketing? couldn't you have been ticketing? couldn't they have been ticketing?