I may snowplow you may snowplow he may snowplow we may snowplow you may snowplow they may snowplow
V-ing form
I may be snowplowing you may be snowplowing he may be snowplowing we may be snowplowing you may be snowplowing they may be snowplowing
Perfect
I may have snowplowed you may have snowplowed he may have snowplowed we may have snowplowed you may have snowplowed they may have snowplowed
V-ing perfect
I may have been snowplowing you may have been snowplowing he may have been snowplowing we may have been snowplowing you may have been snowplowing they may have been snowplowing
Negation
Simple form
I may not snowplow you may not snowplow he may not snowplow we may not snowplow you may not snowplow they may not snowplow
V-ing form
I may not be snowplowing you may not be snowplowing he may not be snowplowing we may not be snowplowing you may not be snowplowing they may not be snowplowing
Perfect
I may not have snowplowed you may not have snowplowed he may not have snowplowed we may not have snowplowed you may not have snowplowed they may not have snowplowed
V-ing perfect
I may not have been snowplowing you may not have been snowplowing he may not have been snowplowing we may not have been snowplowing you may not have been snowplowing they may not have been snowplowing
Interrogative form
Simple form
may I snowplow? may you snowplow? may he snowplow? may we snowplow? may you snowplow? may they snowplow?
V-ing form
may I be snowplowing? may you be snowplowing? may he be snowplowing? may we be snowplowing? may you be snowplowing? may they be snowplowing?
Perfect
may I have snowplowed? may you have snowplowed? may he have snowplowed? may we have snowplowed? may you have snowplowed? may they have snowplowed?
V-ing perfect
may I have been snowplowing? may you have been snowplowing? may he have been snowplowing? may we have been snowplowing? may you have been snowplowing? may they have been snowplowing?
Interro-negative form
Simple form
may I not snowplow? may you not snowplow? may he not snowplow? may we not snowplow? may you not snowplow? may they not snowplow?
V-ing form
may I not be snowplowing? may you not be snowplowing? may he not be snowplowing? may we not be snowplowing? may you not be snowplowing? may they not be snowplowing?
Perfect
may I not have snowplowed? may you not have snowplowed? may he not have snowplowed? may we not have snowplowed? may you not have snowplowed? may they not have snowplowed?
V-ing perfect
may I not have been snowplowing? may you not have been snowplowing? may he not have been snowplowing? may we not have been snowplowing? may you not have been snowplowing? may they not have been snowplowing?