In Verbs^x, Indirect speech^x, Affirmative sentences^x

Thanks, Clive. I have another sentence written as indirect speech that I wish to verify: 'I said that so do I'. Do you think I can write so or should I write 'I said that I do so'? In case of affirmative sentences like 'So do I', written as indirect speech do I have...

"Who am I?" is correct if you are asking a direct question. In indirect speech you might say something like "I wonder who I am." Miriam -- ~comes back to edit~ I forgot you asked "why". The verb "to be" doesn't use any auxiliaries in the present simple, so in order to make a...