I can flour you can flour she can flour we can flour you can flour they can flour
V-ing form
I can be flouring you can be flouring she can be flouring we can be flouring you can be flouring they can be flouring
Perfect
I can have floured you can have floured she can have floured we can have floured you can have floured they can have floured
V-ing perfect
I can have been flouring you can have been flouring she can have been flouring we can have been flouring you can have been flouring they can have been flouring
Negation
Simple form
I can't flour you can't flour she can't flour we can't flour you can't flour they can't flour
V-ing form
I can't be flouring you can't be flouring she can't be flouring we can't be flouring you can't be flouring they can't be flouring
Perfect
I can't have floured you can't have floured she can't have floured we can't have floured you can't have floured they can't have floured
V-ing perfect
I can't have been flouring you can't have been flouring she can't have been flouring we can't have been flouring you can't have been flouring they can't have been flouring
Interrogative form
Simple form
can I flour? can you flour? can she flour? can we flour? can you flour? can they flour?
V-ing form
can I be flouring? can you be flouring? can she be flouring? can we be flouring? can you be flouring? can they be flouring?
Perfect
can I have floured? can you have floured? can she have floured? can we have floured? can you have floured? can they have floured?
V-ing perfect
can I have been flouring? can you have been flouring? can she have been flouring? can we have been flouring? can you have been flouring? can they have been flouring?
Interro-negative form
Simple form
can't I flour? can't you flour? can't she flour? can't we flour? can't you flour? can't they flour?
V-ing form
can't I be flouring? can't you be flouring? can't she be flouring? can't we be flouring? can't you be flouring? can't they be flouring?
Perfect
can't I have floured? can't you have floured? can't she have floured? can't we have floured? can't you have floured? can't they have floured?
V-ing perfect
can't I have been flouring? can't you have been flouring? can't she have been flouring? can't we have been flouring? can't you have been flouring? can't they have been flouring?