II. Language - Unit 5
Grammar (Trang 54 SGK Tiếng Anh 10 Global Success)
<div id="sub-question-4" class="box-question top20">
<p><strong>Grammar 1</strong></p>
<p><strong>Present Perfect </strong></p>
<p><strong>Circle the correct answer.</strong></p>
<p><strong>1.</strong> They just <em>found / have just found</em> a suitable solution to the problem.</p>
<p><strong>2.</strong> Since people <em>invented / have invented</em> the first computer, they <em>create / have created</em> many more interesting inventions.</p>
<p><strong>3.</strong> The woman is very angry because her son<em> lost / has lost</em> his smartphone.</p>
<p><strong>Phương pháp giải:</strong></p>
<p>Cấu trúc thì hiện tại hoàn thành:</p>
<p>- Khẳng định: S + have/ has + Ved/P2</p>
<p>- Phủ định: S + have/ has not + Ved/P2</p>
<p>- Câu hỏi: (wh-word) Have/ Has + S + Ved/P2?</p>
<p><strong>Lời giải chi tiết:</strong></p>
<table border="1">
<tbody>
<tr>
<td>1. have just found</td>
<td>2. invented – have created</td>
<td>3. has lost</td>
</tr>
</tbody>
</table>
<p><strong>1. </strong>They <strong>have just found </strong>a suitable solution to the problem.</p>
<p><strong>Dấu hiệu nhận biết:</strong> just<em> (vừa mới)</em> -> diễn tả hành động vừa mới xảy ra</p>
<p><strong>2.</strong> Since people <strong>invented</strong> the first computer, they <strong>have created</strong> many more interesting inventions.</p>
<p><strong>Cấu trúc:</strong> S + have/ has + Vp2 (HTHT) + since + S + V-ed (QKĐ)</p>
<p><strong>3.</strong> The woman is very angry because her son <strong>has lost</strong> his smartphone.</p>
<p><strong>Giải thích:</strong> Diễn tả hành động xảy ra ở một thời điểm không xác định rõ trong quá khứ.</p>
<p> </p>
</div>
<div id="sub-question-5" class="box-question top20">
<p><strong>Grammar 2</strong></p>
<p><strong>Gerunds and to-infinitives</strong><em> </em></p>
<p><strong>Complete the sentences using the gerunds or the to-infinitive of the verbs in brackets. Sometimes both forms are possible.</strong></p>
<p>1. Many children enjoy (use)________modern devices nowadays.</p>
<p>2. I decided (study) __________computer science at university.</p>
<p>3. (Play) ________language games on a smartphone is fun.</p>
<p>4. It is very convenient (study)_________with a smartphone.</p>
<p><strong>Lời giải chi tiết:</strong></p>
<table style="height: 56px; width: 41.3631%;" border="1">
<tbody>
<tr>
<td style="width: 16.7214%;">1. using</td>
<td style="width: 22.5375%;">2. to study</td>
<td style="width: 38.5318%;">3. Playing/ To play</td>
<td style="width: 22.5375%;">4. to study</td>
</tr>
</tbody>
</table>
<p><strong>1.</strong> Many children enjoy <strong><u>using</u></strong> modern devices nowadays.</p>
<p><strong>Giải thích:</strong> enjoy + V-ing <em>(thích làm gì)</em></p>
<p><strong>2.</strong> I decided <strong><u>to study</u></strong> computer science at university.</p>
<p><strong>Giải thích:</strong> decide to V <em>(quyết định làm gì)</em></p>
<p><strong>3. <u>Playing/ To Play</u></strong> language games on a smartphone is fun.</p>
<p><strong>Giải thích:</strong> V-ing và to V đều có thể được sử dụng làm chủ ngữ đứng đầu câu.</p>
<p><strong>4.</strong> It is very convenient <strong><u>to study</u></strong> with a smartphone.</p>
<p><strong>Cấu trúc:</strong> S + be + adj + to V</p>
</div>
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