English verb conjugation
SHOULD LECTURE

Regular verb: lecture - lectured - lectured

Affirmation

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