<span>1.<span> He has </span><span>changed so much lately.</span></span>
<span>2. They were abroad five years ago,</span>
<span>3. My parents have </span><span>already</span><span> left to the country.</span>
<span>4.<span> </span>Her health has improved greatly.</span>
<span>5.<span> </span>Last night I went to bed very early.</span>
<span>1. He has published his new novel this week.</span>
<span>Has he <span>published his new novel this week?</span></span>
<span>What has <span>he <span>published this week?</span></span></span>
<span>Who <span><span>has published his new novel this week?</span></span>
</span>
<span>2.<span> </span>Ann will have come home by then.</span>
<span>Will Ann <span>have come home by then</span>?</span>
<span>Where will <span>Ann <span>have come by then</span>?</span></span>
<span>Who <span>Will <span>have come home by then</span>?</span>
</span>
<span>3. My friends had discussed this play by that time yesterday.</span>
<span>Had <span>my friends discussed this play by that time yesterday?</span></span>
<span>What had <span><span>my friends discussed by that time yesterday?</span></span></span>
<span>Who h<span>ad <span>discussed this play by that time yesterday?</span></span>
</span>
<span>1. You may go now.</span>
<span>2. Can Mike run very fast?</span>
<span>3.<span> </span>You must work hard at your English.</span>
<span>4.<span> </span>You must not smoke here. </span>
<span>5. Can/may I<em />take Pete's bag?</span>