I can retry you can retry she can retry we can retry you can retry they can retry
V-ing form
I can be retrying you can be retrying she can be retrying we can be retrying you can be retrying they can be retrying
Perfect
I can have retried you can have retried she can have retried we can have retried you can have retried they can have retried
V-ing perfect
I can have been retrying you can have been retrying she can have been retrying we can have been retrying you can have been retrying they can have been retrying
Negation
Simple form
I can't retry you can't retry she can't retry we can't retry you can't retry they can't retry
V-ing form
I can't be retrying you can't be retrying she can't be retrying we can't be retrying you can't be retrying they can't be retrying
Perfect
I can't have retried you can't have retried she can't have retried we can't have retried you can't have retried they can't have retried
V-ing perfect
I can't have been retrying you can't have been retrying she can't have been retrying we can't have been retrying you can't have been retrying they can't have been retrying
Interrogative form
Simple form
can I retry? can you retry? can she retry? can we retry? can you retry? can they retry?
V-ing form
can I be retrying? can you be retrying? can she be retrying? can we be retrying? can you be retrying? can they be retrying?
Perfect
can I have retried? can you have retried? can she have retried? can we have retried? can you have retried? can they have retried?
V-ing perfect
can I have been retrying? can you have been retrying? can she have been retrying? can we have been retrying? can you have been retrying? can they have been retrying?
Interro-negative form
Simple form
can't I retry? can't you retry? can't she retry? can't we retry? can't you retry? can't they retry?
V-ing form
can't I be retrying? can't you be retrying? can't she be retrying? can't we be retrying? can't you be retrying? can't they be retrying?
Perfect
can't I have retried? can't you have retried? can't she have retried? can't we have retried? can't you have retried? can't they have retried?
V-ing perfect
can't I have been retrying? can't you have been retrying? can't she have been retrying? can't we have been retrying? can't you have been retrying? can't they have been retrying?