English verb conjugation
COULD PESTER

Regular verb: pester - pestered - pestered

Affirmation

Simple form	V-ing form
I could pester you could pester he could pester we could pester you could pester they could pester	I could be pestering you could be pestering he could be pestering we could be pestering you could be pestering they could be pestering
Perfect	V-ing perfect
I could have pestered you could have pestered he could have pestered we could have pestered you could have pestered they could have pestered	I could have been pestering you could have been pestering he could have been pestering we could have been pestering you could have been pestering they could have been pestering

Negation

Simple form	V-ing form
I couldn't pester you couldn't pester he couldn't pester we couldn't pester you couldn't pester they couldn't pester	I couldn't be pestering you couldn't be pestering he couldn't be pestering we couldn't be pestering you couldn't be pestering they couldn't be pestering
Perfect	V-ing perfect
I couldn't have pestered you couldn't have pestered he couldn't have pestered we couldn't have pestered you couldn't have pestered they couldn't have pestered	I couldn't have been pestering you couldn't have been pestering he couldn't have been pestering we couldn't have been pestering you couldn't have been pestering they couldn't have been pestering

Interrogative form

Simple form	V-ing form
could I pester? could you pester? could he pester? could we pester? could you pester? could they pester?	could I be pestering? could you be pestering? could he be pestering? could we be pestering? could you be pestering? could they be pestering?
Perfect	V-ing perfect
could I have pestered? could you have pestered? could he have pestered? could we have pestered? could you have pestered? could they have pestered?	could I have been pestering? could you have been pestering? could he have been pestering? could we have been pestering? could you have been pestering? could they have been pestering?

Interro-negative form

Simple form	V-ing form
couldn't I pester? couldn't you pester? couldn't he pester? couldn't we pester? couldn't you pester? couldn't they pester?	couldn't I be pestering? couldn't you be pestering? couldn't he be pestering? couldn't we be pestering? couldn't you be pestering? couldn't they be pestering?
Perfect	V-ing perfect
couldn't I have pestered? couldn't you have pestered? couldn't he have pestered? couldn't we have pestered? couldn't you have pestered? couldn't they have pestered?	couldn't I have been pestering? couldn't you have been pestering? couldn't he have been pestering? couldn't we have been pestering? couldn't you have been pestering? couldn't they have been pestering?