Regular verb: ski - skied - skied
Simple form | V-ing form |
I can ski you can ski he can ski we can ski you can ski they can ski | I can be skiing you can be skiing he can be skiing we can be skiing you can be skiing they can be skiing |
Perfect | V-ing perfect |
I can have skied you can have skied he can have skied we can have skied you can have skied they can have skied | I can have been skiing you can have been skiing he can have been skiing we can have been skiing you can have been skiing they can have been skiing |
Simple form | V-ing form |
I can't ski you can't ski he can't ski we can't ski you can't ski they can't ski | I can't be skiing you can't be skiing he can't be skiing we can't be skiing you can't be skiing they can't be skiing |
Perfect | V-ing perfect |
I can't have skied you can't have skied he can't have skied we can't have skied you can't have skied they can't have skied | I can't have been skiing you can't have been skiing he can't have been skiing we can't have been skiing you can't have been skiing they can't have been skiing |
Simple form | V-ing form |
can I ski? can you ski? can he ski? can we ski? can you ski? can they ski? | can I be skiing? can you be skiing? can he be skiing? can we be skiing? can you be skiing? can they be skiing? |
Perfect | V-ing perfect |
can I have skied? can you have skied? can he have skied? can we have skied? can you have skied? can they have skied? | can I have been skiing? can you have been skiing? can he have been skiing? can we have been skiing? can you have been skiing? can they have been skiing? |
Simple form | V-ing form |
can't I ski? can't you ski? can't he ski? can't we ski? can't you ski? can't they ski? | can't I be skiing? can't you be skiing? can't he be skiing? can't we be skiing? can't you be skiing? can't they be skiing? |
Perfect | V-ing perfect |
can't I have skied? can't you have skied? can't he have skied? can't we have skied? can't you have skied? can't they have skied? | can't I have been skiing? can't you have been skiing? can't he have been skiing? can't we have been skiing? can't you have been skiing? can't they have been skiing? |