Chuyển các câu với động từ chỉ nhận thức sau sang câu bị động 1. I have heard Ken sing this song several times. 2. People saw Jacob steal your pen. 3. The teacher is watching the TV Drama. 4. Ben won’t let you do that silly thing again. 5. People don’t make the children work hard. 6. They made Kenny work all day. 7. The detective saw Jenny putting the jewelry in her bag. 8. The terrorists made the hostages lie down. 9. Police advise Harry to use an alternative route. 10. Jerry helps me to do all these difficult exercises.

<div class="content-answer-1 enable-event-click" style="overflow-x:auto;text-justify:inter-word;text-align:justify"><p>1 Ken has been heard to sing this song several times</p><br><p>2 Jacob was seen to steal your pen</p><br><p>3 The TV Drama is being watched by the teacher</p><br><p>4 You won’t be let to do that silly thing again </p><br><p>5 The children are made to work hard</p><br><p>6 Kenny was made to work all day</p><br><p>7  Jenny was seen putting the jewelry in her bag by the detective</p><br><p>8 The hostages were made to lie down by the terrorists</p><br><p>9 Harry are advised to use an alternative route by police</p><br><p>10  I am helped to do all these difficult exercises</p></div><div class="pt12"><div></div></div>