5. Change the sentences from the active into the passive. Example:You must do this exercise carefully. This exercise must be done carefully. a) We can solve the problem. b) People should stop experiments on animals. c) We might find life on another planet. d) We have to improve all the schools in the city. e) They are going to build a new bridge in the area.

<div class="content-answer-1 enable-event-click" style="overflow-x:auto;text-justify:inter-word;text-align:justify"><p>a, The problem can be solved by us</p><br /><p>b, Experiments on animals should be stopped by people</p><br /><p>c, life on another planet might be found by us</p><br /><p>d, All the schools have been improved by us in the city</p><br /><p>e, A new bridge is going to be built by them in the area</p><br /><p><strong>QKĐ : S+was/were+P2</strong></p><br /><p><strong>HTTD S+is/am/are+being+ P2</strong><strong></strong></p><br /><p><strong>HTHT : S+have/has+been+P2</strong></p><br /><p><strong>TLG : S +is/am/are+going to+ P2</strong></p><br /><p><strong>TLĐ : S+ will+be+P2</strong></p><br /><p><strong>HTĐ : S+is/am/are+P2</strong></p><br /><p><strong>QKTD : S+ was/were+ being + P2</strong></p><br /><p><strong><span>động từ khuyết thuyết : S+may/should ....+ be+ P2</span></strong></p></div><div class="pt12"><div></div></div>