may grabble
Verbo regular: grabble - grabbled- grabbled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may grabble
you may grabble
he may grabble
we may grabble
you may grabble
they may grabble 	I may be grabbling
you may be grabbling
he may be grabbling
we may be grabbling
you may be grabbling
they may be grabbling	I may have grabbled
you may have grabbled
he may have grabbled
we may have grabbled
you may have grabbled
they may have grabbled	I may have been grabbling
you may have been grabbling
he may have been grabbling
we may have been grabbling
you may have been grabbling
they may have been grabbling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not grabble
you may not grabble
he may not grabble
we may not grabble
you may not grabble
they may not grabble 	I may not be grabbling
you may not be grabbling
he may not be grabbling
we may not be grabbling
you may not be grabbling
they may not be grabbling	I may not have grabbled
you may not have grabbled
he may not have grabbled
we may not have grabbled
you may not have grabbled
they may not have grabbled	I may not have been grabbling
you may not have been grabbling
he may not have been grabbling
we may not have been grabbling
you may not have been grabbling
they may not have been grabbling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I grabble?
may you grabble?
may he grabble?
may we grabble?
may you grabble?
may they grabble? 	may I be grabbling?
may you be grabbling?
may he be grabbling?
may we be grabbling?
may you be grabbling?
may they be grabbling? 	may I have grabbled?
may you have grabbled?
may he have grabbled?
may we have grabbled?
may you have grabbled?
may they have grabbled? 	may I have been grabbling?
may you have been grabbling?
may he have been grabbling?
may we have been grabbling?
may you have been grabbling?
may they have been grabbling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not grabble?
may you not grabble?
may he not grabble?
may we not grabble?
may you not grabble?
may they not grabble? 	may I not be grabbling?
may you not be grabbling?
may he not be grabbling?
may we not be grabbling?
may you not be grabbling?
may they not be grabbling? 	may I not have grabbled?
may you not have grabbled?
may he not have grabbled?
may we not have grabbled?
may you not have grabbled?
may they not have grabbled? 	may I not have been grabbling?
may you not have been grabbling?
may he not have been grabbling?
may we not have been grabbling?
may you not have been grabbling?
may they not have been grabbling?