I can corrugate you can corrugate he can corrugate we can corrugate you can corrugate they can corrugate
V-ing form
I can be corrugating you can be corrugating he can be corrugating we can be corrugating you can be corrugating they can be corrugating
Perfect
I can have corrugated you can have corrugated he can have corrugated we can have corrugated you can have corrugated they can have corrugated
V-ing perfect
I can have been corrugating you can have been corrugating he can have been corrugating we can have been corrugating you can have been corrugating they can have been corrugating
Negation
Simple form
I can't corrugate you can't corrugate he can't corrugate we can't corrugate you can't corrugate they can't corrugate
V-ing form
I can't be corrugating you can't be corrugating he can't be corrugating we can't be corrugating you can't be corrugating they can't be corrugating
Perfect
I can't have corrugated you can't have corrugated he can't have corrugated we can't have corrugated you can't have corrugated they can't have corrugated
V-ing perfect
I can't have been corrugating you can't have been corrugating he can't have been corrugating we can't have been corrugating you can't have been corrugating they can't have been corrugating
Interrogative form
Simple form
can I corrugate? can you corrugate? can he corrugate? can we corrugate? can you corrugate? can they corrugate?
V-ing form
can I be corrugating? can you be corrugating? can he be corrugating? can we be corrugating? can you be corrugating? can they be corrugating?
Perfect
can I have corrugated? can you have corrugated? can he have corrugated? can we have corrugated? can you have corrugated? can they have corrugated?
V-ing perfect
can I have been corrugating? can you have been corrugating? can he have been corrugating? can we have been corrugating? can you have been corrugating? can they have been corrugating?
Interro-negative form
Simple form
can't I corrugate? can't you corrugate? can't he corrugate? can't we corrugate? can't you corrugate? can't they corrugate?
V-ing form
can't I be corrugating? can't you be corrugating? can't he be corrugating? can't we be corrugating? can't you be corrugating? can't they be corrugating?
Perfect
can't I have corrugated? can't you have corrugated? can't he have corrugated? can't we have corrugated? can't you have corrugated? can't they have corrugated?
V-ing perfect
can't I have been corrugating? can't you have been corrugating? can't he have been corrugating? can't we have been corrugating? can't you have been corrugating? can't they have been corrugating?