English verb conjugation
COULD MURDER

Regular verb: murder - murdered - murdered

Affirmation

Simple form	V-ing form
I could murder you could murder she could murder we could murder you could murder they could murder	I could be murdering you could be murdering she could be murdering we could be murdering you could be murdering they could be murdering
Perfect	V-ing perfect
I could have murdered you could have murdered she could have murdered we could have murdered you could have murdered they could have murdered	I could have been murdering you could have been murdering she could have been murdering we could have been murdering you could have been murdering they could have been murdering

Negation

Simple form	V-ing form
I couldn't murder you couldn't murder she couldn't murder we couldn't murder you couldn't murder they couldn't murder	I couldn't be murdering you couldn't be murdering she couldn't be murdering we couldn't be murdering you couldn't be murdering they couldn't be murdering
Perfect	V-ing perfect
I couldn't have murdered you couldn't have murdered she couldn't have murdered we couldn't have murdered you couldn't have murdered they couldn't have murdered	I couldn't have been murdering you couldn't have been murdering she couldn't have been murdering we couldn't have been murdering you couldn't have been murdering they couldn't have been murdering

Interrogative form

Simple form	V-ing form
could I murder? could you murder? could she murder? could we murder? could you murder? could they murder?	could I be murdering? could you be murdering? could she be murdering? could we be murdering? could you be murdering? could they be murdering?
Perfect	V-ing perfect
could I have murdered? could you have murdered? could she have murdered? could we have murdered? could you have murdered? could they have murdered?	could I have been murdering? could you have been murdering? could she have been murdering? could we have been murdering? could you have been murdering? could they have been murdering?

Interro-negative form

Simple form	V-ing form
couldn't I murder? couldn't you murder? couldn't she murder? couldn't we murder? couldn't you murder? couldn't they murder?	couldn't I be murdering? couldn't you be murdering? couldn't she be murdering? couldn't we be murdering? couldn't you be murdering? couldn't they be murdering?
Perfect	V-ing perfect
couldn't I have murdered? couldn't you have murdered? couldn't she have murdered? couldn't we have murdered? couldn't you have murdered? couldn't they have murdered?	couldn't I have been murdering? couldn't you have been murdering? couldn't she have been murdering? couldn't we have been murdering? couldn't you have been murdering? couldn't they have been murdering?