must swish
Verbe régulier : swish - swished- swished
Traduction française : siffler - faire bruire 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must swish
you must swish
he must swish
we must swish
you must swish
they must swish 	I must be swishing
you must be swishing
he must be swishing
we must be swishing
you must be swishing
they must be swishing	I must have swished
you must have swished
he must have swished
we must have swished
you must have swished
they must have swished	I must have been swishing
you must have been swishing
he must have been swishing
we must have been swishing
you must have been swishing
they must have been swishing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't swish
you mustn't swish
he mustn't swish
we mustn't swish
you mustn't swish
they mustn't swish 	I mustn't be swishing
you mustn't be swishing
he mustn't be swishing
we mustn't be swishing
you mustn't be swishing
they mustn't be swishing	I mustn't have swished
you mustn't have swished
he mustn't have swished
we mustn't have swished
you mustn't have swished
they mustn't have swished	I mustn't have been swishing
you mustn't have been swishing
he mustn't have been swishing
we mustn't have been swishing
you mustn't have been swishing
they mustn't have been swishing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I swish?
must you swish?
must he swish?
must we swish?
must you swish?
must they swish? 	must I be swishing?
must you be swishing?
must he be swishing?
must we be swishing?
must you be swishing?
must they be swishing? 	must I have swished?
must you have swished?
must he have swished?
must we have swished?
must you have swished?
must they have swished? 	must I have been swishing?
must you have been swishing?
must he have been swishing?
must we have been swishing?
must you have been swishing?
must they have been swishing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I swish?
mustn't you swish?
mustn't he swish?
mustn't we swish?
mustn't you swish?
mustn't they swish? 	mustn't I be swishing?
mustn't you be swishing?
mustn't he be swishing?
mustn't we be swishing?
mustn't you be swishing?
mustn't they be swishing? 	mustn't I have swished?
mustn't you have swished?
mustn't he have swished?
mustn't we have swished?
mustn't you have swished?
mustn't they have swished? 	mustn't I have been swishing?
mustn't you have been swishing?
mustn't he have been swishing?
mustn't we have been swishing?
mustn't you have been swishing?
mustn't they have been swishing?