must dwindle
Regular verb: dwindle - dwindled- dwindled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must dwindle
you must dwindle
he must dwindle
we must dwindle
you must dwindle
they must dwindle 	I must be dwindling
you must be dwindling
he must be dwindling
we must be dwindling
you must be dwindling
they must be dwindling	I must have dwindled
you must have dwindled
he must have dwindled
we must have dwindled
you must have dwindled
they must have dwindled	I must have been dwindling
you must have been dwindling
he must have been dwindling
we must have been dwindling
you must have been dwindling
they must have been dwindling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not dwindle
you must not dwindle
he must not dwindle
we must not dwindle
you must not dwindle
they must not dwindle 	I must not be dwindling
you must not be dwindling
he must not be dwindling
we must not be dwindling
you must not be dwindling
they must not be dwindling	I must not have dwindled
you must not have dwindled
he must not have dwindled
we must not have dwindled
you must not have dwindled
they must not have dwindled	I must not have been dwindling
you must not have been dwindling
he must not have been dwindling
we must not have been dwindling
you must not have been dwindling
they must not have been dwindling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I dwindle?
must you dwindle?
must he dwindle?
must we dwindle?
must you dwindle?
must they dwindle? 	must I be dwindling?
must you be dwindling?
must he be dwindling?
must we be dwindling?
must you be dwindling?
must they be dwindling? 	must I have dwindled?
must you have dwindled?
must he have dwindled?
must we have dwindled?
must you have dwindled?
must they have dwindled? 	must I have been dwindling?
must you have been dwindling?
must he have been dwindling?
must we have been dwindling?
must you have been dwindling?
must they have been dwindling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not dwindle?
must you not dwindle?
must he not dwindle?
must we not dwindle?
must you not dwindle?
must they not dwindle? 	must I not be dwindling?
must you not be dwindling?
must he not be dwindling?
must we not be dwindling?
must you not be dwindling?
must they not be dwindling? 	must I not have dwindled?
must you not have dwindled?
must he not have dwindled?
must we not have dwindled?
must you not have dwindled?
must they not have dwindled? 	must I not have been dwindling?
must you not have been dwindling?
must he not have been dwindling?
must we not have been dwindling?
must you not have been dwindling?
must they not have been dwindling?