I can blob you can blob she can blob we can blob you can blob they can blob
V-ing form
I can be blobing you can be blobing she can be blobing we can be blobing you can be blobing they can be blobing
Perfect
I can have blobed you can have blobed she can have blobed we can have blobed you can have blobed they can have blobed
V-ing perfect
I can have been blobing you can have been blobing she can have been blobing we can have been blobing you can have been blobing they can have been blobing
Negation
Simple form
I can't blob you can't blob she can't blob we can't blob you can't blob they can't blob
V-ing form
I can't be blobing you can't be blobing she can't be blobing we can't be blobing you can't be blobing they can't be blobing
Perfect
I can't have blobed you can't have blobed she can't have blobed we can't have blobed you can't have blobed they can't have blobed
V-ing perfect
I can't have been blobing you can't have been blobing she can't have been blobing we can't have been blobing you can't have been blobing they can't have been blobing
Interrogative form
Simple form
can I blob? can you blob? can she blob? can we blob? can you blob? can they blob?
V-ing form
can I be blobing? can you be blobing? can she be blobing? can we be blobing? can you be blobing? can they be blobing?
Perfect
can I have blobed? can you have blobed? can she have blobed? can we have blobed? can you have blobed? can they have blobed?
V-ing perfect
can I have been blobing? can you have been blobing? can she have been blobing? can we have been blobing? can you have been blobing? can they have been blobing?
Interro-negative form
Simple form
can't I blob? can't you blob? can't she blob? can't we blob? can't you blob? can't they blob?
V-ing form
can't I be blobing? can't you be blobing? can't she be blobing? can't we be blobing? can't you be blobing? can't they be blobing?
Perfect
can't I have blobed? can't you have blobed? can't she have blobed? can't we have blobed? can't you have blobed? can't they have blobed?
V-ing perfect
can't I have been blobing? can't you have been blobing? can't she have been blobing? can't we have been blobing? can't you have been blobing? can't they have been blobing?