should think
Irregular verb: think - thought- thought

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd think
you'd think
she'd think
we'd think
you'd think
they'd think 	I'd be thinking
you'd be thinking
she'd be thinking
we'd be thinking
you'd be thinking
they'd be thinking	I should've thought
you should've thought
she should've thought
we should've thought
you should've thought
they should've thought	I should've been thinking
you should've been thinking
she should've been thinking
we should've been thinking
you should've been thinking
they should've been thinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't think
you shouldn't think
she shouldn't think
we shouldn't think
you shouldn't think
they shouldn't think 	I shouldn't be thinking
you shouldn't be thinking
she shouldn't be thinking
we shouldn't be thinking
you shouldn't be thinking
they shouldn't be thinking	I shouldn't have thought
you shouldn't have thought
she shouldn't have thought
we shouldn't have thought
you shouldn't have thought
they shouldn't have thought	I shouldn't have been thinking
you shouldn't have been thinking
she shouldn't have been thinking
we shouldn't have been thinking
you shouldn't have been thinking
they shouldn't have been thinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I think?
should you think?
should she think?
should we think?
should you think?
should they think? 	should I be thinking?
should you be thinking?
should she be thinking?
should we be thinking?
should you be thinking?
should they be thinking? 	should I have thought?
should you have thought?
should she have thought?
should we have thought?
should you have thought?
should they have thought? 	should I have been thinking?
should you have been thinking?
should she have been thinking?
should we have been thinking?
should you have been thinking?
should they have been thinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I think?
shouldn't you think?
shouldn't she think?
shouldn't we think?
shouldn't you think?
shouldn't they think? 	shouldn't I be thinking?
shouldn't you be thinking?
shouldn't she be thinking?
shouldn't we be thinking?
shouldn't you be thinking?
shouldn't they be thinking? 	shouldn't I have thought?
shouldn't you have thought?
shouldn't she have thought?
shouldn't we have thought?
shouldn't you have thought?
shouldn't they have thought? 	shouldn't I have been thinking?
shouldn't you have been thinking?
shouldn't she have been thinking?
shouldn't we have been thinking?
shouldn't you have been thinking?
shouldn't they have been thinking?