English verb conjugation
CAN CREDIT

Regular verb: credit - credited - credited

Affirmation

Simple form	V-ing form
I can credit you can credit he can credit we can credit you can credit they can credit	I can be crediting you can be crediting he can be crediting we can be crediting you can be crediting they can be crediting
Perfect	V-ing perfect
I can have credited you can have credited he can have credited we can have credited you can have credited they can have credited	I can have been crediting you can have been crediting he can have been crediting we can have been crediting you can have been crediting they can have been crediting

Negation

Simple form	V-ing form
I cannot credit you cannot credit he cannot credit we cannot credit you cannot credit they cannot credit	I cannot be crediting you cannot be crediting he cannot be crediting we cannot be crediting you cannot be crediting they cannot be crediting
Perfect	V-ing perfect
I cannot have credited you cannot have credited he cannot have credited we cannot have credited you cannot have credited they cannot have credited	I cannot have been crediting you cannot have been crediting he cannot have been crediting we cannot have been crediting you cannot have been crediting they cannot have been crediting

Interrogative form

Simple form	V-ing form
can I credit? can you credit? can he credit? can we credit? can you credit? can they credit?	can I be crediting? can you be crediting? can he be crediting? can we be crediting? can you be crediting? can they be crediting?
Perfect	V-ing perfect
can I have credited? can you have credited? can he have credited? can we have credited? can you have credited? can they have credited?	can I have been crediting? can you have been crediting? can he have been crediting? can we have been crediting? can you have been crediting? can they have been crediting?

Interro-negative form

Simple form	V-ing form
can I not credit? can you not credit? can he not credit? can we not credit? can you not credit? can they not credit?	can I not be crediting? can you not be crediting? can he not be crediting? can we not be crediting? can you not be crediting? can they not be crediting?
Perfect	V-ing perfect
can I not have credited? can you not have credited? can he not have credited? can we not have credited? can you not have credited? can they not have credited?	can I not have been crediting? can you not have been crediting? can he not have been crediting? can we not have been crediting? can you not have been crediting? can they not have been crediting?