<p>Book 4 continues with present perfect tenses to fortify knowledge previously acquired. Learners will be able to construct correct sentences in present perfect tenses; formation of nouns from different verbs is treated; other subjects such as conjunctions subjunctives future present conditional and past perfect are treated.&nbsp;<br />You will encounter :<br />&bull;&nbsp;&nbsp; &nbsp;More cases of present tense&nbsp;<br />&bull;&nbsp;&nbsp; &nbsp;Gerund<br />&bull;&nbsp;&nbsp; &nbsp;Direct and indirect speech<br />&bull;&nbsp;&nbsp; &nbsp;Synonyms and antonyms</p>