I should vacillate you should vacillate she should vacillate we should vacillate you should vacillate they should vacillate
V-ing form
I should be vacillating you should be vacillating she should be vacillating we should be vacillating you should be vacillating they should be vacillating
Perfect
I should have vacillated you should have vacillated she should have vacillated we should have vacillated you should have vacillated they should have vacillated
V-ing perfect
I should have been vacillating you should have been vacillating she should have been vacillating we should have been vacillating you should have been vacillating they should have been vacillating
Negation
Simple form
I should not vacillate you should not vacillate she should not vacillate we should not vacillate you should not vacillate they should not vacillate
V-ing form
I should not be vacillating you should not be vacillating she should not be vacillating we should not be vacillating you should not be vacillating they should not be vacillating
Perfect
I should not have vacillated you should not have vacillated she should not have vacillated we should not have vacillated you should not have vacillated they should not have vacillated
V-ing perfect
I should not have been vacillating you should not have been vacillating she should not have been vacillating we should not have been vacillating you should not have been vacillating they should not have been vacillating
Interrogative form
Simple form
should I vacillate? should you vacillate? should she vacillate? should we vacillate? should you vacillate? should they vacillate?
V-ing form
should I be vacillating? should you be vacillating? should she be vacillating? should we be vacillating? should you be vacillating? should they be vacillating?
Perfect
should I have vacillated? should you have vacillated? should she have vacillated? should we have vacillated? should you have vacillated? should they have vacillated?
V-ing perfect
should I have been vacillating? should you have been vacillating? should she have been vacillating? should we have been vacillating? should you have been vacillating? should they have been vacillating?
Interro-negative form
Simple form
should I not vacillate? should you not vacillate? should she not vacillate? should we not vacillate? should you not vacillate? should they not vacillate?
V-ing form
should I not be vacillating? should you not be vacillating? should she not be vacillating? should we not be vacillating? should you not be vacillating? should they not be vacillating?
Perfect
should I not have vacillated? should you not have vacillated? should she not have vacillated? should we not have vacillated? should you not have vacillated? should they not have vacillated?
V-ing perfect
should I not have been vacillating? should you not have been vacillating? should she not have been vacillating? should we not have been vacillating? should you not have been vacillating? should they not have been vacillating?