English verb conjugation
SHOULD TOBOGGAN

Regular verb: toboggan - tobogganed - tobogganed

Affirmation

Simple form	V-ing form
I should toboggan you should toboggan he should toboggan we should toboggan you should toboggan they should toboggan	I should be tobogganing you should be tobogganing he should be tobogganing we should be tobogganing you should be tobogganing they should be tobogganing
Perfect	V-ing perfect
I should have tobogganed you should have tobogganed he should have tobogganed we should have tobogganed you should have tobogganed they should have tobogganed	I should have been tobogganing you should have been tobogganing he should have been tobogganing we should have been tobogganing you should have been tobogganing they should have been tobogganing

Negation

Simple form	V-ing form
I should not toboggan you should not toboggan he should not toboggan we should not toboggan you should not toboggan they should not toboggan	I should not be tobogganing you should not be tobogganing he should not be tobogganing we should not be tobogganing you should not be tobogganing they should not be tobogganing
Perfect	V-ing perfect
I should not have tobogganed you should not have tobogganed he should not have tobogganed we should not have tobogganed you should not have tobogganed they should not have tobogganed	I should not have been tobogganing you should not have been tobogganing he should not have been tobogganing we should not have been tobogganing you should not have been tobogganing they should not have been tobogganing

Interrogative form

Simple form	V-ing form
should I toboggan? should you toboggan? should he toboggan? should we toboggan? should you toboggan? should they toboggan?	should I be tobogganing? should you be tobogganing? should he be tobogganing? should we be tobogganing? should you be tobogganing? should they be tobogganing?
Perfect	V-ing perfect
should I have tobogganed? should you have tobogganed? should he have tobogganed? should we have tobogganed? should you have tobogganed? should they have tobogganed?	should I have been tobogganing? should you have been tobogganing? should he have been tobogganing? should we have been tobogganing? should you have been tobogganing? should they have been tobogganing?

Interro-negative form

Simple form	V-ing form
should I not toboggan? should you not toboggan? should he not toboggan? should we not toboggan? should you not toboggan? should they not toboggan?	should I not be tobogganing? should you not be tobogganing? should he not be tobogganing? should we not be tobogganing? should you not be tobogganing? should they not be tobogganing?
Perfect	V-ing perfect
should I not have tobogganed? should you not have tobogganed? should he not have tobogganed? should we not have tobogganed? should you not have tobogganed? should they not have tobogganed?	should I not have been tobogganing? should you not have been tobogganing? should he not have been tobogganing? should we not have been tobogganing? should you not have been tobogganing? should they not have been tobogganing?