I can accredit you can accredit he can accredit we can accredit you can accredit they can accredit
V-ing form
I can be accrediting you can be accrediting he can be accrediting we can be accrediting you can be accrediting they can be accrediting
Perfect
I can have accredited you can have accredited he can have accredited we can have accredited you can have accredited they can have accredited
V-ing perfect
I can have been accrediting you can have been accrediting he can have been accrediting we can have been accrediting you can have been accrediting they can have been accrediting
Negation
Simple form
I can't accredit you can't accredit he can't accredit we can't accredit you can't accredit they can't accredit
V-ing form
I can't be accrediting you can't be accrediting he can't be accrediting we can't be accrediting you can't be accrediting they can't be accrediting
Perfect
I can't have accredited you can't have accredited he can't have accredited we can't have accredited you can't have accredited they can't have accredited
V-ing perfect
I can't have been accrediting you can't have been accrediting he can't have been accrediting we can't have been accrediting you can't have been accrediting they can't have been accrediting
Interrogative form
Simple form
can I accredit? can you accredit? can he accredit? can we accredit? can you accredit? can they accredit?
V-ing form
can I be accrediting? can you be accrediting? can he be accrediting? can we be accrediting? can you be accrediting? can they be accrediting?
Perfect
can I have accredited? can you have accredited? can he have accredited? can we have accredited? can you have accredited? can they have accredited?
V-ing perfect
can I have been accrediting? can you have been accrediting? can he have been accrediting? can we have been accrediting? can you have been accrediting? can they have been accrediting?
Interro-negative form
Simple form
can't I accredit? can't you accredit? can't he accredit? can't we accredit? can't you accredit? can't they accredit?
V-ing form
can't I be accrediting? can't you be accrediting? can't he be accrediting? can't we be accrediting? can't you be accrediting? can't they be accrediting?
Perfect
can't I have accredited? can't you have accredited? can't he have accredited? can't we have accredited? can't you have accredited? can't they have accredited?
V-ing perfect
can't I have been accrediting? can't you have been accrediting? can't he have been accrediting? can't we have been accrediting? can't you have been accrediting? can't they have been accrediting?