shall overstrain
Regular verb: overstrain - overstrained- overstrained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll overstrain
you'll overstrain
he'll overstrain
we'll overstrain
you'll overstrain
they'll overstrain 	I'll be overstraining
you'll be overstraining
he'll be overstraining
we'll be overstraining
you'll be overstraining
they'll be overstraining	I'll have overstrained
you'll have overstrained
he'll have overstrained
we'll have overstrained
you'll have overstrained
they'll have overstrained	I'll have been overstraining
you'll have been overstraining
he'll have been overstraining
we'll have been overstraining
you'll have been overstraining
they'll have been overstraining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't overstrain
you shan't overstrain
he shan't overstrain
we shan't overstrain
you shan't overstrain
they shan't overstrain 	I shan't be overstraining
you shan't be overstraining
he shan't be overstraining
we shan't be overstraining
you shan't be overstraining
they shan't be overstraining	I shan't have overstrained
you shan't have overstrained
he shan't have overstrained
we shan't have overstrained
you shan't have overstrained
they shan't have overstrained	I shan't have been overstraining
you shan't have been overstraining
he shan't have been overstraining
we shan't have been overstraining
you shan't have been overstraining
they shan't have been overstraining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I overstrain?
shall you overstrain?
shall he overstrain?
shall we overstrain?
shall you overstrain?
shall they overstrain? 	shall I be overstraining?
shall you be overstraining?
shall he be overstraining?
shall we be overstraining?
shall you be overstraining?
shall they be overstraining? 	shall I have overstrained?
shall you have overstrained?
shall he have overstrained?
shall we have overstrained?
shall you have overstrained?
shall they have overstrained? 	shall I have been overstraining?
shall you have been overstraining?
shall he have been overstraining?
shall we have been overstraining?
shall you have been overstraining?
shall they have been overstraining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I overstrain?
shan't you overstrain?
shan't he overstrain?
shan't we overstrain?
shan't you overstrain?
shan't they overstrain? 	shan't I be overstraining?
shan't you be overstraining?
shan't he be overstraining?
shan't we be overstraining?
shan't you be overstraining?
shan't they be overstraining? 	shan't I have overstrained?
shan't you have overstrained?
shan't he have overstrained?
shan't we have overstrained?
shan't you have overstrained?
shan't they have overstrained? 	shan't I have been overstraining?
shan't you have been overstraining?
shan't he have been overstraining?
shan't we have been overstraining?
shan't you have been overstraining?
shan't they have been overstraining?