can sough
Regular verb: sough - soughed- soughed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sough
you can sough
he can sough
we can sough
you can sough
they can sough 	I can be soughing
you can be soughing
he can be soughing
we can be soughing
you can be soughing
they can be soughing	I can have soughed
you can have soughed
he can have soughed
we can have soughed
you can have soughed
they can have soughed	I can have been soughing
you can have been soughing
he can have been soughing
we can have been soughing
you can have been soughing
they can have been soughing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't sough
you can't sough
he can't sough
we can't sough
you can't sough
they can't sough 	I can't be soughing
you can't be soughing
he can't be soughing
we can't be soughing
you can't be soughing
they can't be soughing	I can't have soughed
you can't have soughed
he can't have soughed
we can't have soughed
you can't have soughed
they can't have soughed	I can't have been soughing
you can't have been soughing
he can't have been soughing
we can't have been soughing
you can't have been soughing
they can't have been soughing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sough?
can you sough?
can he sough?
can we sough?
can you sough?
can they sough? 	can I be soughing?
can you be soughing?
can he be soughing?
can we be soughing?
can you be soughing?
can they be soughing? 	can I have soughed?
can you have soughed?
can he have soughed?
can we have soughed?
can you have soughed?
can they have soughed? 	can I have been soughing?
can you have been soughing?
can he have been soughing?
can we have been soughing?
can you have been soughing?
can they have been soughing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I sough?
can't you sough?
can't he sough?
can't we sough?
can't you sough?
can't they sough? 	can't I be soughing?
can't you be soughing?
can't he be soughing?
can't we be soughing?
can't you be soughing?
can't they be soughing? 	can't I have soughed?
can't you have soughed?
can't he have soughed?
can't we have soughed?
can't you have soughed?
can't they have soughed? 	can't I have been soughing?
can't you have been soughing?
can't he have been soughing?
can't we have been soughing?
can't you have been soughing?
can't they have been soughing?