ought to croak
Verbo regular: croak - croaked- croaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to croak
you ought to croak
she ought to croak
we ought to croak
you ought to croak
they ought to croak 	I ought to be croaking
you ought to be croaking
she ought to be croaking
we ought to be croaking
you ought to be croaking
they ought to be croaking	I ought to have croaked
you ought to have croaked
she ought to have croaked
we ought to have croaked
you ought to have croaked
they ought to have croaked	I ought to have been croaking
you ought to have been croaking
she ought to have been croaking
we ought to have been croaking
you ought to have been croaking
they ought to have been croaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to croak
you ought not to croak
she ought not to croak
we ought not to croak
you ought not to croak
they ought not to croak 	I ought not to croaking
you ought not to croaking
she ought not to croaking
we ought not to croaking
you ought not to croaking
they ought not to croaking	I ought not to have croaked
you ought not to have croaked
she ought not to have croaked
we ought not to have croaked
you ought not to have croaked
they ought not to have croaked	I ought not to have been croaking
you ought not to have been croaking
she ought not to have been croaking
we ought not to have been croaking
you ought not to have been croaking
they ought not to have been croaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I croak?
ought to you croak?
ought to she croak?
ought to we croak?
ought to you croak?
ought to they croak? 	ought to I be croaking?
ought to you be croaking?
ought to she be croaking?
ought to we be croaking?
ought to you be croaking?
ought to they be croaking? 	ought to I have croaked?
ought to you have croaked?
ought to she have croaked?
ought to we have croaked?
ought to you have croaked?
ought to they have croaked? 	ought to I have been croaking?
ought to you have been croaking?
ought to she have been croaking?
ought to we have been croaking?
ought to you have been croaking?
ought to they have been croaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to croak?
ought you not to croak?
ought she not to croak?
ought we not to croak?
ought you not to croak?
ought they not to croak? 	ought I not to be croaking?
ought you not to be croaking?
ought she not to be croaking?
ought we not to be croaking?
ought you not to be croaking?
ought they not to be croaking? 	ought I not to have croaked?
ought you not to have croaked?
ought she not to have croaked?
ought we not to have croaked?
ought you not to have croaked?
ought they not to have croaked? 	ought I not to have been croaking?
ought you not to have been croaking?
ought she not to have been croaking?
ought we not to have been croaking?
ought you not to have been croaking?
ought they not to have been croaking?