shall gas
Regular verb: gas - gassed- gassed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll gas
you'll gas
he'll gas
we'll gas
you'll gas
they'll gas 	I'll be gassing
you'll be gassing
he'll be gassing
we'll be gassing
you'll be gassing
they'll be gassing	I'll have gassed
you'll have gassed
he'll have gassed
we'll have gassed
you'll have gassed
they'll have gassed	I'll have been gassing
you'll have been gassing
he'll have been gassing
we'll have been gassing
you'll have been gassing
they'll have been gassing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't gas
you shan't gas
he shan't gas
we shan't gas
you shan't gas
they shan't gas 	I shan't be gassing
you shan't be gassing
he shan't be gassing
we shan't be gassing
you shan't be gassing
they shan't be gassing	I shan't have gassed
you shan't have gassed
he shan't have gassed
we shan't have gassed
you shan't have gassed
they shan't have gassed	I shan't have been gassing
you shan't have been gassing
he shan't have been gassing
we shan't have been gassing
you shan't have been gassing
they shan't have been gassing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I gas?
shall you gas?
shall he gas?
shall we gas?
shall you gas?
shall they gas? 	shall I be gassing?
shall you be gassing?
shall he be gassing?
shall we be gassing?
shall you be gassing?
shall they be gassing? 	shall I have gassed?
shall you have gassed?
shall he have gassed?
shall we have gassed?
shall you have gassed?
shall they have gassed? 	shall I have been gassing?
shall you have been gassing?
shall he have been gassing?
shall we have been gassing?
shall you have been gassing?
shall they have been gassing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I gas?
shan't you gas?
shan't he gas?
shan't we gas?
shan't you gas?
shan't they gas? 	shan't I be gassing?
shan't you be gassing?
shan't he be gassing?
shan't we be gassing?
shan't you be gassing?
shan't they be gassing? 	shan't I have gassed?
shan't you have gassed?
shan't he have gassed?
shan't we have gassed?
shan't you have gassed?
shan't they have gassed? 	shan't I have been gassing?
shan't you have been gassing?
shan't he have been gassing?
shan't we have been gassing?
shan't you have been gassing?
shan't they have been gassing?