<p>1.) <strong>Could</strong> you hear the fireworks from your house last night?</p>
<p>2.) Do you think you <strong>will be able to</strong> write that report by Tuesday? I know you're very busy.</p>
<p>3.) I <strong>can</strong> touch my toes. See!</p>
<p>4.) I <strong>couldn't</strong> spend another moment in that restaurant. It was too noisy.</p>
<p>5.) I <strong>can</strong> never seem to get the temperature right.</p>
<p>6.) <strong>To be able to</strong> play professional tennis, you must be extremely fit.</p>
<p>7.) <strong>Can</strong> you play an instrument?</p>
<p>8.) I'm afraid I <strong>won't be able to</strong> attend the meeting, I'm on business in Japan.</p>
<p>9.) <strong>Couldn't</strong> you have brought it to me at work?</p>
<p>10.) They <strong>were able to</strong> save the men from the sinking ship.</p>
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