English verb conjugation
SHOULD SNOWMOBILE

Regular verb: snowmobile - snowmobiled - snowmobiled

Affirmation

Simple form	V-ing form
I should snowmobile you should snowmobile he should snowmobile we should snowmobile you should snowmobile they should snowmobile	I should be snowmobiling you should be snowmobiling he should be snowmobiling we should be snowmobiling you should be snowmobiling they should be snowmobiling
Perfect	V-ing perfect
I should have snowmobiled you should have snowmobiled he should have snowmobiled we should have snowmobiled you should have snowmobiled they should have snowmobiled	I should have been snowmobiling you should have been snowmobiling he should have been snowmobiling we should have been snowmobiling you should have been snowmobiling they should have been snowmobiling

Negation

Simple form	V-ing form
I should not snowmobile you should not snowmobile he should not snowmobile we should not snowmobile you should not snowmobile they should not snowmobile	I should not be snowmobiling you should not be snowmobiling he should not be snowmobiling we should not be snowmobiling you should not be snowmobiling they should not be snowmobiling
Perfect	V-ing perfect
I should not have snowmobiled you should not have snowmobiled he should not have snowmobiled we should not have snowmobiled you should not have snowmobiled they should not have snowmobiled	I should not have been snowmobiling you should not have been snowmobiling he should not have been snowmobiling we should not have been snowmobiling you should not have been snowmobiling they should not have been snowmobiling

Interrogative form

Simple form	V-ing form
should I snowmobile? should you snowmobile? should he snowmobile? should we snowmobile? should you snowmobile? should they snowmobile?	should I be snowmobiling? should you be snowmobiling? should he be snowmobiling? should we be snowmobiling? should you be snowmobiling? should they be snowmobiling?
Perfect	V-ing perfect
should I have snowmobiled? should you have snowmobiled? should he have snowmobiled? should we have snowmobiled? should you have snowmobiled? should they have snowmobiled?	should I have been snowmobiling? should you have been snowmobiling? should he have been snowmobiling? should we have been snowmobiling? should you have been snowmobiling? should they have been snowmobiling?

Interro-negative form

Simple form	V-ing form
should I not snowmobile? should you not snowmobile? should he not snowmobile? should we not snowmobile? should you not snowmobile? should they not snowmobile?	should I not be snowmobiling? should you not be snowmobiling? should he not be snowmobiling? should we not be snowmobiling? should you not be snowmobiling? should they not be snowmobiling?
Perfect	V-ing perfect
should I not have snowmobiled? should you not have snowmobiled? should he not have snowmobiled? should we not have snowmobiled? should you not have snowmobiled? should they not have snowmobiled?	should I not have been snowmobiling? should you not have been snowmobiling? should he not have been snowmobiling? should we not have been snowmobiling? should you not have been snowmobiling? should they not have been snowmobiling?