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 mustn't dwindle
you mustn't dwindle
he mustn't dwindle
we mustn't dwindle
you mustn't dwindle
they mustn't dwindle 	I mustn't be dwindling
you mustn't be dwindling
he mustn't be dwindling
we mustn't be dwindling
you mustn't be dwindling
they mustn't be dwindling	I mustn't have dwindled
you mustn't have dwindled
he mustn't have dwindled
we mustn't have dwindled
you mustn't have dwindled
they mustn't have dwindled	I mustn't have been dwindling
you mustn't have been dwindling
he mustn't have been dwindling
we mustn't have been dwindling
you mustn't have been dwindling
they mustn't 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 	
mustn't I dwindle?
mustn't you dwindle?
mustn't he dwindle?
mustn't we dwindle?
mustn't you dwindle?
mustn't they dwindle? 	mustn't I be dwindling?
mustn't you be dwindling?
mustn't he be dwindling?
mustn't we be dwindling?
mustn't you be dwindling?
mustn't they be dwindling? 	mustn't I have dwindled?
mustn't you have dwindled?
mustn't he have dwindled?
mustn't we have dwindled?
mustn't you have dwindled?
mustn't they have dwindled? 	mustn't I have been dwindling?
mustn't you have been dwindling?
mustn't he have been dwindling?
mustn't we have been dwindling?
mustn't you have been dwindling?
mustn't they have been dwindling?