English verb conjugation
COULD SINGLE-CLICK

Regular verb: single-click - single-clicked - single-clicked

Affirmation

Simple form	V-ing form
I could single-click you could single-click he could single-click we could single-click you could single-click they could single-click	I could be single-clicking you could be single-clicking he could be single-clicking we could be single-clicking you could be single-clicking they could be single-clicking
Perfect	V-ing perfect
I could have single-clicked you could have single-clicked he could have single-clicked we could have single-clicked you could have single-clicked they could have single-clicked	I could have been single-clicking you could have been single-clicking he could have been single-clicking we could have been single-clicking you could have been single-clicking they could have been single-clicking

Negation

Simple form	V-ing form
I could not single-click you could not single-click he could not single-click we could not single-click you could not single-click they could not single-click	I could not be single-clicking you could not be single-clicking he could not be single-clicking we could not be single-clicking you could not be single-clicking they could not be single-clicking
Perfect	V-ing perfect
I could not have single-clicked you could not have single-clicked he could not have single-clicked we could not have single-clicked you could not have single-clicked they could not have single-clicked	I could not have been single-clicking you could not have been single-clicking he could not have been single-clicking we could not have been single-clicking you could not have been single-clicking they could not have been single-clicking

Interrogative form

Simple form	V-ing form
could I single-click? could you single-click? could he single-click? could we single-click? could you single-click? could they single-click?	could I be single-clicking? could you be single-clicking? could he be single-clicking? could we be single-clicking? could you be single-clicking? could they be single-clicking?
Perfect	V-ing perfect
could I have single-clicked? could you have single-clicked? could he have single-clicked? could we have single-clicked? could you have single-clicked? could they have single-clicked?	could I have been single-clicking? could you have been single-clicking? could he have been single-clicking? could we have been single-clicking? could you have been single-clicking? could they have been single-clicking?

Interro-negative form

Simple form	V-ing form
could I not single-click? could you not single-click? could he not single-click? could we not single-click? could you not single-click? could they not single-click?	could I not be single-clicking? could you not be single-clicking? could he not be single-clicking? could we not be single-clicking? could you not be single-clicking? could they not be single-clicking?
Perfect	V-ing perfect
could I not have single-clicked? could you not have single-clicked? could he not have single-clicked? could we not have single-clicked? could you not have single-clicked? could they not have single-clicked?	could I not have been single-clicking? could you not have been single-clicking? could he not have been single-clicking? could we not have been single-clicking? could you not have been single-clicking? could they not have been single-clicking?