I can enure you can enure he can enure we can enure you can enure they can enure
V-ing form
I can be enuring you can be enuring he can be enuring we can be enuring you can be enuring they can be enuring
Perfect
I can have enured you can have enured he can have enured we can have enured you can have enured they can have enured
V-ing perfect
I can have been enuring you can have been enuring he can have been enuring we can have been enuring you can have been enuring they can have been enuring
Negation
Simple form
I can't enure you can't enure he can't enure we can't enure you can't enure they can't enure
V-ing form
I can't be enuring you can't be enuring he can't be enuring we can't be enuring you can't be enuring they can't be enuring
Perfect
I can't have enured you can't have enured he can't have enured we can't have enured you can't have enured they can't have enured
V-ing perfect
I can't have been enuring you can't have been enuring he can't have been enuring we can't have been enuring you can't have been enuring they can't have been enuring
Interrogative form
Simple form
can I enure? can you enure? can he enure? can we enure? can you enure? can they enure?
V-ing form
can I be enuring? can you be enuring? can he be enuring? can we be enuring? can you be enuring? can they be enuring?
Perfect
can I have enured? can you have enured? can he have enured? can we have enured? can you have enured? can they have enured?
V-ing perfect
can I have been enuring? can you have been enuring? can he have been enuring? can we have been enuring? can you have been enuring? can they have been enuring?
Interro-negative form
Simple form
can't I enure? can't you enure? can't he enure? can't we enure? can't you enure? can't they enure?
V-ing form
can't I be enuring? can't you be enuring? can't he be enuring? can't we be enuring? can't you be enuring? can't they be enuring?
Perfect
can't I have enured? can't you have enured? can't he have enured? can't we have enured? can't you have enured? can't they have enured?
V-ing perfect
can't I have been enuring? can't you have been enuring? can't he have been enuring? can't we have been enuring? can't you have been enuring? can't they have been enuring?