can second
Regular verb: second - seconded- seconded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can second
you can second
he can second
we can second
you can second
they can second 	I can be seconding
you can be seconding
he can be seconding
we can be seconding
you can be seconding
they can be seconding	I can have seconded
you can have seconded
he can have seconded
we can have seconded
you can have seconded
they can have seconded	I can have been seconding
you can have been seconding
he can have been seconding
we can have been seconding
you can have been seconding
they can have been seconding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't second
you can't second
he can't second
we can't second
you can't second
they can't second 	I can't be seconding
you can't be seconding
he can't be seconding
we can't be seconding
you can't be seconding
they can't be seconding	I can't have seconded
you can't have seconded
he can't have seconded
we can't have seconded
you can't have seconded
they can't have seconded	I can't have been seconding
you can't have been seconding
he can't have been seconding
we can't have been seconding
you can't have been seconding
they can't have been seconding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I second?
can you second?
can he second?
can we second?
can you second?
can they second? 	can I be seconding?
can you be seconding?
can he be seconding?
can we be seconding?
can you be seconding?
can they be seconding? 	can I have seconded?
can you have seconded?
can he have seconded?
can we have seconded?
can you have seconded?
can they have seconded? 	can I have been seconding?
can you have been seconding?
can he have been seconding?
can we have been seconding?
can you have been seconding?
can they have been seconding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I second?
can't you second?
can't he second?
can't we second?
can't you second?
can't they second? 	can't I be seconding?
can't you be seconding?
can't he be seconding?
can't we be seconding?
can't you be seconding?
can't they be seconding? 	can't I have seconded?
can't you have seconded?
can't he have seconded?
can't we have seconded?
can't you have seconded?
can't they have seconded? 	can't I have been seconding?
can't you have been seconding?
can't he have been seconding?
can't we have been seconding?
can't you have been seconding?
can't they have been seconding?