must recycle
Regular verb: recycle - recycled- recycled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must recycle
you must recycle
she must recycle
we must recycle
you must recycle
they must recycle 	I must be recycling
you must be recycling
she must be recycling
we must be recycling
you must be recycling
they must be recycling	I must have recycled
you must have recycled
she must have recycled
we must have recycled
you must have recycled
they must have recycled	I must have been recycling
you must have been recycling
she must have been recycling
we must have been recycling
you must have been recycling
they must have been recycling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not recycle
you must not recycle
she must not recycle
we must not recycle
you must not recycle
they must not recycle 	I must not be recycling
you must not be recycling
she must not be recycling
we must not be recycling
you must not be recycling
they must not be recycling	I must not have recycled
you must not have recycled
she must not have recycled
we must not have recycled
you must not have recycled
they must not have recycled	I must not have been recycling
you must not have been recycling
she must not have been recycling
we must not have been recycling
you must not have been recycling
they must not have been recycling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I recycle?
must you recycle?
must she recycle?
must we recycle?
must you recycle?
must they recycle? 	must I be recycling?
must you be recycling?
must she be recycling?
must we be recycling?
must you be recycling?
must they be recycling? 	must I have recycled?
must you have recycled?
must she have recycled?
must we have recycled?
must you have recycled?
must they have recycled? 	must I have been recycling?
must you have been recycling?
must she have been recycling?
must we have been recycling?
must you have been recycling?
must they have been recycling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not recycle?
must you not recycle?
must she not recycle?
must we not recycle?
must you not recycle?
must they not recycle? 	must I not be recycling?
must you not be recycling?
must she not be recycling?
must we not be recycling?
must you not be recycling?
must they not be recycling? 	must I not have recycled?
must you not have recycled?
must she not have recycled?
must we not have recycled?
must you not have recycled?
must they not have recycled? 	must I not have been recycling?
must you not have been recycling?
must she not have been recycling?
must we not have been recycling?
must you not have been recycling?
must they not have been recycling?