The House of Stairs [antikvár]

To the teacher: In addition to all the language forms of Levels One to Three, u^hich are used again at this level of the series, the main verb forms and tenses used at Level Four are: • present perfect continuous verbs, past perfect verbs, wasj were going to, passive verbs (simple aspects only and with available modal verbs), conditional clauses (using the 'second' or 'improbable' or 'hypothetical future' conditional) and further phrasal verbs • modal verbs: should and ought to (to give advice or expressing desirability), used to (to describe past habits, states and routines), must and can't (to express (deduced) likeUhood), may and might (to express possibility or uncertainty), could (to express hypothetical ability), would (to express willingness) and had better (to give advice). Specific attention is paid to vocabulary development in the Vocabulary Work exercises at the end of the booic. These exercises are aimed at training students to enlarge their vocabulary systematically through intelligent reading and effective use of a dictionary. To the student: Dictionary Words: • As you read this book, you will find that some words are in darker black ink than the others on the page. Look them up in your dictionary, if you do not already know them, or try to guess the meaning of the words first, and then look them up later, to check.