Regular verb: exist - existed - existed
Simple form | V-ing form |
I can exist you can exist he can exist we can exist you can exist they can exist | I can be existing you can be existing he can be existing we can be existing you can be existing they can be existing |
Perfect | V-ing perfect |
I can have existed you can have existed he can have existed we can have existed you can have existed they can have existed | I can have been existing you can have been existing he can have been existing we can have been existing you can have been existing they can have been existing |
Simple form | V-ing form |
I can't exist you can't exist he can't exist we can't exist you can't exist they can't exist | I can't be existing you can't be existing he can't be existing we can't be existing you can't be existing they can't be existing |
Perfect | V-ing perfect |
I can't have existed you can't have existed he can't have existed we can't have existed you can't have existed they can't have existed | I can't have been existing you can't have been existing he can't have been existing we can't have been existing you can't have been existing they can't have been existing |
Simple form | V-ing form |
can I exist? can you exist? can he exist? can we exist? can you exist? can they exist? | can I be existing? can you be existing? can he be existing? can we be existing? can you be existing? can they be existing? |
Perfect | V-ing perfect |
can I have existed? can you have existed? can he have existed? can we have existed? can you have existed? can they have existed? | can I have been existing? can you have been existing? can he have been existing? can we have been existing? can you have been existing? can they have been existing? |
Simple form | V-ing form |
can't I exist? can't you exist? can't he exist? can't we exist? can't you exist? can't they exist? | can't I be existing? can't you be existing? can't he be existing? can't we be existing? can't you be existing? can't they be existing? |
Perfect | V-ing perfect |
can't I have existed? can't you have existed? can't he have existed? can't we have existed? can't you have existed? can't they have existed? | can't I have been existing? can't you have been existing? can't he have been existing? can't we have been existing? can't you have been existing? can't they have been existing? |