English verb conjugation
COULD IRRIGATE

Regular verb: irrigate - irrigated - irrigated

Affirmation

Simple form	V-ing form
I could irrigate you could irrigate he could irrigate we could irrigate you could irrigate they could irrigate	I could be irrigating you could be irrigating he could be irrigating we could be irrigating you could be irrigating they could be irrigating
Perfect	V-ing perfect
I could have irrigated you could have irrigated he could have irrigated we could have irrigated you could have irrigated they could have irrigated	I could have been irrigating you could have been irrigating he could have been irrigating we could have been irrigating you could have been irrigating they could have been irrigating

Negation

Simple form	V-ing form
I could not irrigate you could not irrigate he could not irrigate we could not irrigate you could not irrigate they could not irrigate	I could not be irrigating you could not be irrigating he could not be irrigating we could not be irrigating you could not be irrigating they could not be irrigating
Perfect	V-ing perfect
I could not have irrigated you could not have irrigated he could not have irrigated we could not have irrigated you could not have irrigated they could not have irrigated	I could not have been irrigating you could not have been irrigating he could not have been irrigating we could not have been irrigating you could not have been irrigating they could not have been irrigating

Interrogative form

Simple form	V-ing form
could I irrigate? could you irrigate? could he irrigate? could we irrigate? could you irrigate? could they irrigate?	could I be irrigating? could you be irrigating? could he be irrigating? could we be irrigating? could you be irrigating? could they be irrigating?
Perfect	V-ing perfect
could I have irrigated? could you have irrigated? could he have irrigated? could we have irrigated? could you have irrigated? could they have irrigated?	could I have been irrigating? could you have been irrigating? could he have been irrigating? could we have been irrigating? could you have been irrigating? could they have been irrigating?

Interro-negative form

Simple form	V-ing form
could I not irrigate? could you not irrigate? could he not irrigate? could we not irrigate? could you not irrigate? could they not irrigate?	could I not be irrigating? could you not be irrigating? could he not be irrigating? could we not be irrigating? could you not be irrigating? could they not be irrigating?
Perfect	V-ing perfect
could I not have irrigated? could you not have irrigated? could he not have irrigated? could we not have irrigated? could you not have irrigated? could they not have irrigated?	could I not have been irrigating? could you not have been irrigating? could he not have been irrigating? could we not have been irrigating? could you not have been irrigating? could they not have been irrigating?