English verb conjugation
COULD THERMOSTAT

Regular verb: thermostat - thermostated - thermostated

Affirmation

Simple form	V-ing form
I could thermostat you could thermostat he could thermostat we could thermostat you could thermostat they could thermostat	I could be thermostating you could be thermostating he could be thermostating we could be thermostating you could be thermostating they could be thermostating
Perfect	V-ing perfect
I could have thermostated you could have thermostated he could have thermostated we could have thermostated you could have thermostated they could have thermostated	I could have been thermostating you could have been thermostating he could have been thermostating we could have been thermostating you could have been thermostating they could have been thermostating

Negation

Simple form	V-ing form
I couldn't thermostat you couldn't thermostat he couldn't thermostat we couldn't thermostat you couldn't thermostat they couldn't thermostat	I couldn't be thermostating you couldn't be thermostating he couldn't be thermostating we couldn't be thermostating you couldn't be thermostating they couldn't be thermostating
Perfect	V-ing perfect
I couldn't have thermostated you couldn't have thermostated he couldn't have thermostated we couldn't have thermostated you couldn't have thermostated they couldn't have thermostated	I couldn't have been thermostating you couldn't have been thermostating he couldn't have been thermostating we couldn't have been thermostating you couldn't have been thermostating they couldn't have been thermostating

Interrogative form

Simple form	V-ing form
could I thermostat? could you thermostat? could he thermostat? could we thermostat? could you thermostat? could they thermostat?	could I be thermostating? could you be thermostating? could he be thermostating? could we be thermostating? could you be thermostating? could they be thermostating?
Perfect	V-ing perfect
could I have thermostated? could you have thermostated? could he have thermostated? could we have thermostated? could you have thermostated? could they have thermostated?	could I have been thermostating? could you have been thermostating? could he have been thermostating? could we have been thermostating? could you have been thermostating? could they have been thermostating?

Interro-negative form

Simple form	V-ing form
couldn't I thermostat? couldn't you thermostat? couldn't he thermostat? couldn't we thermostat? couldn't you thermostat? couldn't they thermostat?	couldn't I be thermostating? couldn't you be thermostating? couldn't he be thermostating? couldn't we be thermostating? couldn't you be thermostating? couldn't they be thermostating?
Perfect	V-ing perfect
couldn't I have thermostated? couldn't you have thermostated? couldn't he have thermostated? couldn't we have thermostated? couldn't you have thermostated? couldn't they have thermostated?	couldn't I have been thermostating? couldn't you have been thermostating? couldn't he have been thermostating? couldn't we have been thermostating? couldn't you have been thermostating? couldn't they have been thermostating?