can boast
Verbo regular: boast - boasted- boasted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can boast
you can boast
he can boast
we can boast
you can boast
they can boast 	I can be boasting
you can be boasting
he can be boasting
we can be boasting
you can be boasting
they can be boasting	I can have boasted
you can have boasted
he can have boasted
we can have boasted
you can have boasted
they can have boasted	I can have been boasting
you can have been boasting
he can have been boasting
we can have been boasting
you can have been boasting
they can have been boasting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't boast
you can't boast
he can't boast
we can't boast
you can't boast
they can't boast 	I can't be boasting
you can't be boasting
he can't be boasting
we can't be boasting
you can't be boasting
they can't be boasting	I can't have boasted
you can't have boasted
he can't have boasted
we can't have boasted
you can't have boasted
they can't have boasted	I can't have been boasting
you can't have been boasting
he can't have been boasting
we can't have been boasting
you can't have been boasting
they can't have been boasting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I boast?
can you boast?
can he boast?
can we boast?
can you boast?
can they boast? 	can I be boasting?
can you be boasting?
can he be boasting?
can we be boasting?
can you be boasting?
can they be boasting? 	can I have boasted?
can you have boasted?
can he have boasted?
can we have boasted?
can you have boasted?
can they have boasted? 	can I have been boasting?
can you have been boasting?
can he have been boasting?
can we have been boasting?
can you have been boasting?
can they have been boasting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I boast?
can't you boast?
can't he boast?
can't we boast?
can't you boast?
can't they boast? 	can't I be boasting?
can't you be boasting?
can't he be boasting?
can't we be boasting?
can't you be boasting?
can't they be boasting? 	can't I have boasted?
can't you have boasted?
can't he have boasted?
can't we have boasted?
can't you have boasted?
can't they have boasted? 	can't I have been boasting?
can't you have been boasting?
can't he have been boasting?
can't we have been boasting?
can't you have been boasting?
can't they have been boasting?