I should corrugate you should corrugate she should corrugate we should corrugate you should corrugate they should corrugate
V-ing form
I should be corrugating you should be corrugating she should be corrugating we should be corrugating you should be corrugating they should be corrugating
Perfect
I should have corrugated you should have corrugated she should have corrugated we should have corrugated you should have corrugated they should have corrugated
V-ing perfect
I should have been corrugating you should have been corrugating she should have been corrugating we should have been corrugating you should have been corrugating they should have been corrugating
Negation
Simple form
I should not corrugate you should not corrugate she should not corrugate we should not corrugate you should not corrugate they should not corrugate
V-ing form
I should not be corrugating you should not be corrugating she should not be corrugating we should not be corrugating you should not be corrugating they should not be corrugating
Perfect
I should not have corrugated you should not have corrugated she should not have corrugated we should not have corrugated you should not have corrugated they should not have corrugated
V-ing perfect
I should not have been corrugating you should not have been corrugating she should not have been corrugating we should not have been corrugating you should not have been corrugating they should not have been corrugating
Interrogative form
Simple form
should I corrugate? should you corrugate? should she corrugate? should we corrugate? should you corrugate? should they corrugate?
V-ing form
should I be corrugating? should you be corrugating? should she be corrugating? should we be corrugating? should you be corrugating? should they be corrugating?
Perfect
should I have corrugated? should you have corrugated? should she have corrugated? should we have corrugated? should you have corrugated? should they have corrugated?
V-ing perfect
should I have been corrugating? should you have been corrugating? should she have been corrugating? should we have been corrugating? should you have been corrugating? should they have been corrugating?
Interro-negative form
Simple form
should I not corrugate? should you not corrugate? should she not corrugate? should we not corrugate? should you not corrugate? should they not corrugate?
V-ing form
should I not be corrugating? should you not be corrugating? should she not be corrugating? should we not be corrugating? should you not be corrugating? should they not be corrugating?
Perfect
should I not have corrugated? should you not have corrugated? should she not have corrugated? should we not have corrugated? should you not have corrugated? should they not have corrugated?
V-ing perfect
should I not have been corrugating? should you not have been corrugating? should she not have been corrugating? should we not have been corrugating? should you not have been corrugating? should they not have been corrugating?