should tusk
Regular verb: tusk - tusked- tusked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should tusk
you should tusk
he should tusk
we should tusk
you should tusk
they should tusk 	I should be tusking
you should be tusking
he should be tusking
we should be tusking
you should be tusking
they should be tusking	I should have tusked
you should have tusked
he should have tusked
we should have tusked
you should have tusked
they should have tusked	I should have been tusking
you should have been tusking
he should have been tusking
we should have been tusking
you should have been tusking
they should have been tusking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not tusk
you should not tusk
he should not tusk
we should not tusk
you should not tusk
they should not tusk 	I should not be tusking
you should not be tusking
he should not be tusking
we should not be tusking
you should not be tusking
they should not be tusking	I should not have tusked
you should not have tusked
he should not have tusked
we should not have tusked
you should not have tusked
they should not have tusked	I should not have been tusking
you should not have been tusking
he should not have been tusking
we should not have been tusking
you should not have been tusking
they should not have been tusking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tusk?
should you tusk?
should he tusk?
should we tusk?
should you tusk?
should they tusk? 	should I be tusking?
should you be tusking?
should he be tusking?
should we be tusking?
should you be tusking?
should they be tusking? 	should I have tusked?
should you have tusked?
should he have tusked?
should we have tusked?
should you have tusked?
should they have tusked? 	should I have been tusking?
should you have been tusking?
should he have been tusking?
should we have been tusking?
should you have been tusking?
should they have been tusking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not tusk?
should you not tusk?
should he not tusk?
should we not tusk?
should you not tusk?
should they not tusk? 	should I not be tusking?
should you not be tusking?
should he not be tusking?
should we not be tusking?
should you not be tusking?
should they not be tusking? 	should I not have tusked?
should you not have tusked?
should he not have tusked?
should we not have tusked?
should you not have tusked?
should they not have tusked? 	should I not have been tusking?
should you not have been tusking?
should he not have been tusking?
should we not have been tusking?
should you not have been tusking?
should they not have been tusking?