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SubCategory -- Select SubCategory -- English Tenses - Present Tence English Tenses - Present continuous Tense English Tenses - Present Tense & Present Continous Tence -1 English Tenses - Present Tense & Present Continous Tence -2 English Tenses - Past Tence English Tenses - Past Continuous English Tenses - Used To English Tenses - Present Perfect Tence -1 English Tenses - Present Perfect Tence -2 English Tenses - Present Perfect Tence - How Long English Tenses - Present Perfect Tence - For/Since English Tenses - Present Perfect Continuous English Tenses - Present Perfect Continuous/ Present Perfect English Tenses - Past Perfect English Tenses - Past Perfect Continous English Tenses - Present Perfect / Past English Tenses - Present Perfect / Past -2

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Lesson Content (HTML) <h2 class="text-2xl font-bold text-gray-800 mt-8 mb-4">Introduction</h2> <p class="text-gray-700 leading-relaxed mb-4"> The <strong class="font-semibold text-gray-900">past perfect continuous</strong> tense is used to describe an action that had been happening before another action or time in the past. It emphasizes the duration of an activity that was ongoing in the past. </p> <h2 class="text-2xl font-bold text-gray-800 mt-8 mb-4">Grammar Rules / Structure</h2> <p class="text-gray-700 leading-relaxed mb-4"> The past perfect continuous is formed with <strong class="font-semibold text-gray-900">'had been'</strong> followed by the present participle (verb + <em class="italic">-ing</em>). </p> <h3 class="text-xl font-semibold text-gray-700 mt-6 mb-3">Affirmative Form</h3> <div class="bg-blue-50 border-l-4 border-blue-500 px-4 py-3 my-4 text-blue-800 font-mono text-sm"> Subject + had been + verb<em class="italic">-ing</em> </div> <p class="text-gray-700 leading-relaxed mb-4"> Example: She had been reading. </p> <h3 class="text-xl font-semibold text-gray-700 mt-6 mb-3">Negative Form</h3> <div class="bg-blue-50 border-l-4 border-blue-500 px-4 py-3 my-4 text-blue-800 font-mono text-sm"> Subject + had not (hadn't) been + verb<em class="italic">-ing</em> </div> <p class="text-gray-700 leading-relaxed mb-4"> Example: She hadn't been reading. </p> <h3 class="text-xl font-semibold text-gray-700 mt-6 mb-3">Question Form</h3> <div class="bg-blue-50 border-l-4 border-blue-500 px-4 py-3 my-4 text-blue-800 font-mono text-sm"> Had + subject + been + verb<em class="italic">-ing</em>? </div> <p class="text-gray-700 leading-relaxed mb-4"> Example: Had she been reading? </p> <h2 class="text-2xl font-bold text-gray-800 mt-8 mb-4">Signal Words / Key Indicators</h2> <ul class="list-disc list-inside space-y-2 mb-4 text-gray-700"> <li><span class="bg-yellow-100 text-yellow-800 px-1 rounded font-medium">for</span></li> <li><span class="bg-yellow-100 text-yellow-800 px-1 rounded font-medium">since</span></li> <li><span class="bg-yellow-100 text-yellow-800 px-1 rounded font-medium">before</span></li> <li><span class="bg-yellow-100 text-yellow-800 px-1 rounded font-medium">by the time</span></li> </ul> <h2 class="text-2xl font-bold text-gray-800 mt-8 mb-4">Examples</h2> <ul class="list-disc list-inside space-y-2 mb-4 text-gray-700"> <li>(+) By the time we arrived, they <span class="text-green-600 font-medium">had been waiting</span> for hours.</li> <li>(-) He <span class="text-green-600 font-medium">hadn't been sleeping</span> well before the trip.</li> <li>(?) <span class="text-green-600 font-medium">Had</span> you <span class="text-green-600 font-medium">been studying</span> for the exam?</li> <li>(+) She <span class="text-green-600 font-medium">had been cooking</span> all afternoon, so the kitchen was a mess.</li> <li>(-) We <span class="text-green-600 font-medium">hadn't been expecting</span> them to arrive so early.</li> <li>(?) <span class="text-green-600 font-medium">Had</span> they <span class="text-green-600 font-medium">been playing</span> soccer before it started to rain?</li> <li>(+) The team <span class="text-green-600 font-medium">had been practicing</span> for weeks before the competition.</li> <li>(-) She <span class="text-green-600 font-medium">hadn't been feeling</span> well before the meeting.</li> <li>(?) <span class="text-green-600 font-medium">Had</span> you <span class="text-green-600 font-medium">been reading</span> the book before the movie was released?</li> </ul> <h2 class="text-2xl font-bold text-gray-800 mt-8 mb-4">Common Mistakes</h2> <div class="bg-red-50 border-l-4 border-red-500 px-4 py-3 my-4 text-red-800"> <p><span class="text-red-500 font-medium line-through">She had been work yesterday.</span> vs <span class="text-green-600 font-medium">She had been working yesterday.</span></p> <p><span class="text-red-500 font-medium line-through">They hadn't been goes to the gym.</span> vs <span class="text-green-600 font-medium">They hadn't been going to the gym.</span></p> <p><span class="text-red-500 font-medium line-through">Had you been plays football?</span> vs <span class="text-green-600 font-medium">Had you been playing football?</span></p> </div> <h2 class="text-2xl font-bold text-gray-800 mt-8 mb-4">Quick Tip</h2> <div class="bg-green-50 border-l-4 border-green-500 px-4 py-3 my-4 text-green-800"> Remember, the past perfect continuous is all about the <strong class="font-semibold text-gray-900">duration</strong> of an action before another past event. </div>

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