should heckle
Regular verb: heckle - heckled- heckled

Affirmation 	
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I should heckle
you should heckle
he should heckle
we should heckle
you should heckle
they should heckle 	I should be heckling
you should be heckling
he should be heckling
we should be heckling
you should be heckling
they should be heckling	I should have heckled
you should have heckled
he should have heckled
we should have heckled
you should have heckled
they should have heckled	I should have been heckling
you should have been heckling
he should have been heckling
we should have been heckling
you should have been heckling
they should have been heckling	

Negation 	
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I should not heckle
you should not heckle
he should not heckle
we should not heckle
you should not heckle
they should not heckle 	I should not be heckling
you should not be heckling
he should not be heckling
we should not be heckling
you should not be heckling
they should not be heckling	I should not have heckled
you should not have heckled
he should not have heckled
we should not have heckled
you should not have heckled
they should not have heckled	I should not have been heckling
you should not have been heckling
he should not have been heckling
we should not have been heckling
you should not have been heckling
they should not have been heckling	

Interrogative form 	
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should I heckle?
should you heckle?
should he heckle?
should we heckle?
should you heckle?
should they heckle? 	should I be heckling?
should you be heckling?
should he be heckling?
should we be heckling?
should you be heckling?
should they be heckling? 	should I have heckled?
should you have heckled?
should he have heckled?
should we have heckled?
should you have heckled?
should they have heckled? 	should I have been heckling?
should you have been heckling?
should he have been heckling?
should we have been heckling?
should you have been heckling?
should they have been heckling? 	

Interro-negative form 	
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should I not heckle?
should you not heckle?
should he not heckle?
should we not heckle?
should you not heckle?
should they not heckle? 	should I not be heckling?
should you not be heckling?
should he not be heckling?
should we not be heckling?
should you not be heckling?
should they not be heckling? 	should I not have heckled?
should you not have heckled?
should he not have heckled?
should we not have heckled?
should you not have heckled?
should they not have heckled? 	should I not have been heckling?
should you not have been heckling?
should he not have been heckling?
should we not have been heckling?
should you not have been heckling?
should they not have been heckling?