English verb conjugation
SHOULD SNOWPLOW

Regular verb: snowplow - snowplowed - snowplowed

Affirmation

Simple form	V-ing form
I should snowplow you should snowplow she should snowplow we should snowplow you should snowplow they should snowplow	I should be snowplowing you should be snowplowing she should be snowplowing we should be snowplowing you should be snowplowing they should be snowplowing
Perfect	V-ing perfect
I should have snowplowed you should have snowplowed she should have snowplowed we should have snowplowed you should have snowplowed they should have snowplowed	I should have been snowplowing you should have been snowplowing she should have been snowplowing we should have been snowplowing you should have been snowplowing they should have been snowplowing

Negation

Simple form	V-ing form
I should not snowplow you should not snowplow she should not snowplow we should not snowplow you should not snowplow they should not snowplow	I should not be snowplowing you should not be snowplowing she should not be snowplowing we should not be snowplowing you should not be snowplowing they should not be snowplowing
Perfect	V-ing perfect
I should not have snowplowed you should not have snowplowed she should not have snowplowed we should not have snowplowed you should not have snowplowed they should not have snowplowed	I should not have been snowplowing you should not have been snowplowing she should not have been snowplowing we should not have been snowplowing you should not have been snowplowing they should not have been snowplowing

Interrogative form

Simple form	V-ing form
should I snowplow? should you snowplow? should she snowplow? should we snowplow? should you snowplow? should they snowplow?	should I be snowplowing? should you be snowplowing? should she be snowplowing? should we be snowplowing? should you be snowplowing? should they be snowplowing?
Perfect	V-ing perfect
should I have snowplowed? should you have snowplowed? should she have snowplowed? should we have snowplowed? should you have snowplowed? should they have snowplowed?	should I have been snowplowing? should you have been snowplowing? should she have been snowplowing? should we have been snowplowing? should you have been snowplowing? should they have been snowplowing?

Interro-negative form

Simple form	V-ing form
should I not snowplow? should you not snowplow? should she not snowplow? should we not snowplow? should you not snowplow? should they not snowplow?	should I not be snowplowing? should you not be snowplowing? should she not be snowplowing? should we not be snowplowing? should you not be snowplowing? should they not be snowplowing?
Perfect	V-ing perfect
should I not have snowplowed? should you not have snowplowed? should she not have snowplowed? should we not have snowplowed? should you not have snowplowed? should they not have snowplowed?	should I not have been snowplowing? should you not have been snowplowing? should she not have been snowplowing? should we not have been snowplowing? should you not have been snowplowing? should they not have been snowplowing?