shall strengthen
Verbo regular: strengthen - strengthened- strengthened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'll strengthen
you'll strengthen
he'll strengthen
we'll strengthen
you'll strengthen
they'll strengthen 	I'll be strengthening
you'll be strengthening
he'll be strengthening
we'll be strengthening
you'll be strengthening
they'll be strengthening	I'll have strengthened
you'll have strengthened
he'll have strengthened
we'll have strengthened
you'll have strengthened
they'll have strengthened	I'll have been strengthening
you'll have been strengthening
he'll have been strengthening
we'll have been strengthening
you'll have been strengthening
they'll have been strengthening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shan't strengthen
you shan't strengthen
he shan't strengthen
we shan't strengthen
you shan't strengthen
they shan't strengthen 	I shan't be strengthening
you shan't be strengthening
he shan't be strengthening
we shan't be strengthening
you shan't be strengthening
they shan't be strengthening	I shan't have strengthened
you shan't have strengthened
he shan't have strengthened
we shan't have strengthened
you shan't have strengthened
they shan't have strengthened	I shan't have been strengthening
you shan't have been strengthening
he shan't have been strengthening
we shan't have been strengthening
you shan't have been strengthening
they shan't have been strengthening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I strengthen?
shall you strengthen?
shall he strengthen?
shall we strengthen?
shall you strengthen?
shall they strengthen? 	shall I be strengthening?
shall you be strengthening?
shall he be strengthening?
shall we be strengthening?
shall you be strengthening?
shall they be strengthening? 	shall I have strengthened?
shall you have strengthened?
shall he have strengthened?
shall we have strengthened?
shall you have strengthened?
shall they have strengthened? 	shall I have been strengthening?
shall you have been strengthening?
shall he have been strengthening?
shall we have been strengthening?
shall you have been strengthening?
shall they have been strengthening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shan't I strengthen?
shan't you strengthen?
shan't he strengthen?
shan't we strengthen?
shan't you strengthen?
shan't they strengthen? 	shan't I be strengthening?
shan't you be strengthening?
shan't he be strengthening?
shan't we be strengthening?
shan't you be strengthening?
shan't they be strengthening? 	shan't I have strengthened?
shan't you have strengthened?
shan't he have strengthened?
shan't we have strengthened?
shan't you have strengthened?
shan't they have strengthened? 	shan't I have been strengthening?
shan't you have been strengthening?
shan't he have been strengthening?
shan't we have been strengthening?
shan't you have been strengthening?
shan't they have been strengthening?