I can attaint you can attaint he can attaint we can attaint you can attaint they can attaint
V-ing form
I can be attainting you can be attainting he can be attainting we can be attainting you can be attainting they can be attainting
Perfect
I can have attainted you can have attainted he can have attainted we can have attainted you can have attainted they can have attainted
V-ing perfect
I can have been attainting you can have been attainting he can have been attainting we can have been attainting you can have been attainting they can have been attainting
Negation
Simple form
I can't attaint you can't attaint he can't attaint we can't attaint you can't attaint they can't attaint
V-ing form
I can't be attainting you can't be attainting he can't be attainting we can't be attainting you can't be attainting they can't be attainting
Perfect
I can't have attainted you can't have attainted he can't have attainted we can't have attainted you can't have attainted they can't have attainted
V-ing perfect
I can't have been attainting you can't have been attainting he can't have been attainting we can't have been attainting you can't have been attainting they can't have been attainting
Interrogative form
Simple form
can I attaint? can you attaint? can he attaint? can we attaint? can you attaint? can they attaint?
V-ing form
can I be attainting? can you be attainting? can he be attainting? can we be attainting? can you be attainting? can they be attainting?
Perfect
can I have attainted? can you have attainted? can he have attainted? can we have attainted? can you have attainted? can they have attainted?
V-ing perfect
can I have been attainting? can you have been attainting? can he have been attainting? can we have been attainting? can you have been attainting? can they have been attainting?
Interro-negative form
Simple form
can't I attaint? can't you attaint? can't he attaint? can't we attaint? can't you attaint? can't they attaint?
V-ing form
can't I be attainting? can't you be attainting? can't he be attainting? can't we be attainting? can't you be attainting? can't they be attainting?
Perfect
can't I have attainted? can't you have attainted? can't he have attainted? can't we have attainted? can't you have attainted? can't they have attainted?
V-ing perfect
can't I have been attainting? can't you have been attainting? can't he have been attainting? can't we have been attainting? can't you have been attainting? can't they have been attainting?