could humble
Regular verb: humble - humbled- humbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could humble
you could humble
he could humble
we could humble
you could humble
they could humble 	I could be humbling
you could be humbling
he could be humbling
we could be humbling
you could be humbling
they could be humbling	I could have humbled
you could have humbled
he could have humbled
we could have humbled
you could have humbled
they could have humbled	I could have been humbling
you could have been humbling
he could have been humbling
we could have been humbling
you could have been humbling
they could have been humbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't humble
you couldn't humble
he couldn't humble
we couldn't humble
you couldn't humble
they couldn't humble 	I couldn't be humbling
you couldn't be humbling
he couldn't be humbling
we couldn't be humbling
you couldn't be humbling
they couldn't be humbling	I couldn't have humbled
you couldn't have humbled
he couldn't have humbled
we couldn't have humbled
you couldn't have humbled
they couldn't have humbled	I couldn't have been humbling
you couldn't have been humbling
he couldn't have been humbling
we couldn't have been humbling
you couldn't have been humbling
they couldn't have been humbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I humble?
could you humble?
could he humble?
could we humble?
could you humble?
could they humble? 	could I be humbling?
could you be humbling?
could he be humbling?
could we be humbling?
could you be humbling?
could they be humbling? 	could I have humbled?
could you have humbled?
could he have humbled?
could we have humbled?
could you have humbled?
could they have humbled? 	could I have been humbling?
could you have been humbling?
could he have been humbling?
could we have been humbling?
could you have been humbling?
could they have been humbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I humble?
couldn't you humble?
couldn't he humble?
couldn't we humble?
couldn't you humble?
couldn't they humble? 	couldn't I be humbling?
couldn't you be humbling?
couldn't he be humbling?
couldn't we be humbling?
couldn't you be humbling?
couldn't they be humbling? 	couldn't I have humbled?
couldn't you have humbled?
couldn't he have humbled?
couldn't we have humbled?
couldn't you have humbled?
couldn't they have humbled? 	couldn't I have been humbling?
couldn't you have been humbling?
couldn't he have been humbling?
couldn't we have been humbling?
couldn't you have been humbling?
couldn't they have been humbling?