can follow
Regular verb: follow - followed- followed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can follow
you can follow
she can follow
we can follow
you can follow
they can follow 	I can be following
you can be following
she can be following
we can be following
you can be following
they can be following	I can have followed
you can have followed
she can have followed
we can have followed
you can have followed
they can have followed	I can have been following
you can have been following
she can have been following
we can have been following
you can have been following
they can have been following	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't follow
you can't follow
she can't follow
we can't follow
you can't follow
they can't follow 	I can't be following
you can't be following
she can't be following
we can't be following
you can't be following
they can't be following	I can't have followed
you can't have followed
she can't have followed
we can't have followed
you can't have followed
they can't have followed	I can't have been following
you can't have been following
she can't have been following
we can't have been following
you can't have been following
they can't have been following	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I follow?
can you follow?
can she follow?
can we follow?
can you follow?
can they follow? 	can I be following?
can you be following?
can she be following?
can we be following?
can you be following?
can they be following? 	can I have followed?
can you have followed?
can she have followed?
can we have followed?
can you have followed?
can they have followed? 	can I have been following?
can you have been following?
can she have been following?
can we have been following?
can you have been following?
can they have been following? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I follow?
can't you follow?
can't she follow?
can't we follow?
can't you follow?
can't they follow? 	can't I be following?
can't you be following?
can't she be following?
can't we be following?
can't you be following?
can't they be following? 	can't I have followed?
can't you have followed?
can't she have followed?
can't we have followed?
can't you have followed?
can't they have followed? 	can't I have been following?
can't you have been following?
can't she have been following?
can't we have been following?
can't you have been following?
can't they have been following?