English verb conjugation
COULD SELECT

Regular verb: select - selected - selected

Affirmation

Simple form	V-ing form
I could select you could select he could select we could select you could select they could select	I could be selecting you could be selecting he could be selecting we could be selecting you could be selecting they could be selecting
Perfect	V-ing perfect
I could have selected you could have selected he could have selected we could have selected you could have selected they could have selected	I could have been selecting you could have been selecting he could have been selecting we could have been selecting you could have been selecting they could have been selecting

Negation

Simple form	V-ing form
I couldn't select you couldn't select he couldn't select we couldn't select you couldn't select they couldn't select	I couldn't be selecting you couldn't be selecting he couldn't be selecting we couldn't be selecting you couldn't be selecting they couldn't be selecting
Perfect	V-ing perfect
I couldn't have selected you couldn't have selected he couldn't have selected we couldn't have selected you couldn't have selected they couldn't have selected	I couldn't have been selecting you couldn't have been selecting he couldn't have been selecting we couldn't have been selecting you couldn't have been selecting they couldn't have been selecting

Interrogative form

Simple form	V-ing form
could I select? could you select? could he select? could we select? could you select? could they select?	could I be selecting? could you be selecting? could he be selecting? could we be selecting? could you be selecting? could they be selecting?
Perfect	V-ing perfect
could I have selected? could you have selected? could he have selected? could we have selected? could you have selected? could they have selected?	could I have been selecting? could you have been selecting? could he have been selecting? could we have been selecting? could you have been selecting? could they have been selecting?

Interro-negative form

Simple form	V-ing form
couldn't I select? couldn't you select? couldn't he select? couldn't we select? couldn't you select? couldn't they select?	couldn't I be selecting? couldn't you be selecting? couldn't he be selecting? couldn't we be selecting? couldn't you be selecting? couldn't they be selecting?
Perfect	V-ing perfect
couldn't I have selected? couldn't you have selected? couldn't he have selected? couldn't we have selected? couldn't you have selected? couldn't they have selected?	couldn't I have been selecting? couldn't you have been selecting? couldn't he have been selecting? couldn't we have been selecting? couldn't you have been selecting? couldn't they have been selecting?