'I will do it tomorrow'- এ বাক্যে Tomorrow কোন Parts of Speech?

An adverb does not modify - I already told him about the party'. Here, already is The boy writes well. Here well is a/an The pogramme was broadcast live. Here 'live' is_ The dog was running behind. The underlined word is Down went the Titanic. The word 'down' is- He runs fast, here 'fast' is ..... Suddenly one of the wheels came off, এখানে off শব্দটি- Upoma came here late. Here late is- The adjective took place long ago. Here the word 'ago' is a/an-