I ought to irrigate you ought to irrigate she ought to irrigate we ought to irrigate you ought to irrigate they ought to irrigate
V-ing form
I ought to be irrigating you ought to be irrigating she ought to be irrigating we ought to be irrigating you ought to be irrigating they ought to be irrigating
Perfect
I ought to have irrigated you ought to have irrigated she ought to have irrigated we ought to have irrigated you ought to have irrigated they ought to have irrigated
V-ing perfect
I ought to have been irrigating you ought to have been irrigating she ought to have been irrigating we ought to have been irrigating you ought to have been irrigating they ought to have been irrigating
Negation
Simple form
I oughtn't to irrigate you oughtn't to irrigate she oughtn't to irrigate we oughtn't to irrigate you oughtn't to irrigate they oughtn't to irrigate
V-ing form
I oughtn't to be irrigating you oughtn't to be irrigating she oughtn't to be irrigating we oughtn't to be irrigating you oughtn't to be irrigating they oughtn't to be irrigating
Perfect
I oughtn't to have irrigated you oughtn't to have irrigated she oughtn't to have irrigated we oughtn't to have irrigated you oughtn't to have irrigated they oughtn't to have irrigated
V-ing perfect
I oughtn't to have been irrigating you oughtn't to have been irrigating she oughtn't to have been irrigating we oughtn't to have been irrigating you oughtn't to have been irrigating they oughtn't to have been irrigating
Interrogative form
Simple form
ought to I irrigate? ought to you irrigate? ought to she irrigate? ought to we irrigate? ought to you irrigate? ought to they irrigate?
V-ing form
ought to I be irrigating? ought to you be irrigating? ought to she be irrigating? ought to we be irrigating? ought to you be irrigating? ought to they be irrigating?
Perfect
ought to I have irrigated? ought to you have irrigated? ought to she have irrigated? ought to we have irrigated? ought to you have irrigated? ought to they have irrigated?
V-ing perfect
ought to I have been irrigating? ought to you have been irrigating? ought to she have been irrigating? ought to we have been irrigating? ought to you have been irrigating? ought to they have been irrigating?
Interro-negative form
Simple form
oughtn't I to irrigate? oughtn't you to irrigate? oughtn't she to irrigate? oughtn't we to irrigate? oughtn't you to irrigate? oughtn't they to irrigate?
V-ing form
oughtn't I to be irrigating? oughtn't you to be irrigating? oughtn't she to be irrigating? oughtn't we to be irrigating? oughtn't you to be irrigating? oughtn't they to be irrigating?
Perfect
oughtn't I to have irrigated? oughtn't you to have irrigated? oughtn't she to have irrigated? oughtn't we to have irrigated? oughtn't you to have irrigated? oughtn't they to have irrigated?
V-ing perfect
oughtn't I to have been irrigating? oughtn't you to have been irrigating? oughtn't she to have been irrigating? oughtn't we to have been irrigating? oughtn't you to have been irrigating? oughtn't they to have been irrigating?