should lecture
Regular verb: lecture - lectured- lectured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should lecture
you should lecture
she should lecture
we should lecture
you should lecture
they should lecture 	I should be lecturing
you should be lecturing
she should be lecturing
we should be lecturing
you should be lecturing
they should be lecturing	I should have lectured
you should have lectured
she should have lectured
we should have lectured
you should have lectured
they should have lectured	I should have been lecturing
you should have been lecturing
she should have been lecturing
we should have been lecturing
you should have been lecturing
they should have been lecturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not lecture
you should not lecture
she should not lecture
we should not lecture
you should not lecture
they should not lecture 	I should not be lecturing
you should not be lecturing
she should not be lecturing
we should not be lecturing
you should not be lecturing
they should not be lecturing	I should not have lectured
you should not have lectured
she should not have lectured
we should not have lectured
you should not have lectured
they should not have lectured	I should not have been lecturing
you should not have been lecturing
she should not have been lecturing
we should not have been lecturing
you should not have been lecturing
they should not have been lecturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I lecture?
should you lecture?
should she lecture?
should we lecture?
should you lecture?
should they lecture? 	should I be lecturing?
should you be lecturing?
should she be lecturing?
should we be lecturing?
should you be lecturing?
should they be lecturing? 	should I have lectured?
should you have lectured?
should she have lectured?
should we have lectured?
should you have lectured?
should they have lectured? 	should I have been lecturing?
should you have been lecturing?
should she have been lecturing?
should we have been lecturing?
should you have been lecturing?
should they have been lecturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not lecture?
should you not lecture?
should she not lecture?
should we not lecture?
should you not lecture?
should they not lecture? 	should I not be lecturing?
should you not be lecturing?
should she not be lecturing?
should we not be lecturing?
should you not be lecturing?
should they not be lecturing? 	should I not have lectured?
should you not have lectured?
should she not have lectured?
should we not have lectured?
should you not have lectured?
should they not have lectured? 	should I not have been lecturing?
should you not have been lecturing?
should she not have been lecturing?
should we not have been lecturing?
should you not have been lecturing?
should they not have been lecturing?