Read the text and do the following (A. Grammar, B. Word usage, C. Word-formation). A. 1. Pick out from the text all the irregular verbs and give their four forms. 2. Search the text for -ing-forms and classify them according to their functions in the sentences. 3. Mark all the cases of Sequence of Tenses in the text and comment on them (explain the rules). 4. Select sentences with the verb go used as a link verb; what other verbs can be used in the same function? B. 1. Pick out from the text words and phrases describing appearance. 2. Tick off all introductory phrases used by Bur