1.  Flying a kite in the countryside is very exciting                                                                              ->  It’s very exciting to fly a kite in the countryside.

     2. I have done voluntary work for three years.

   ->   I started doning voluntary work three years ago.

     3.  It’s not necessary to change the dates of our trip.

      -> We don't have to change the dates of our trip.

    4. Do you want me to show you how to use this?

     -> Would you like me to show you how to use this?

    5. It took me two hours to walk to her village.

    ->  I spent two hours to walking to her village.

       S+spend+thời gian +V_ing

     6. Millions of tourists visit the Museum of Ethnology every year.

     -> The Museum of Ethnology is visited by millions of tourists every year.

           Câu bị động hiện tại đơn S+is/am/are+Vpp

     7.  Jane makes crafts better than her sister.

     -> Jane’s sister doesn’t make craft as well as her.

      So sánh không bằng : S+Vphủ định +as +adj+as.

      8. Let’s go to my uncle’s farm at the weekend.

     ->   Amy suggested going to her uncle’s farm at the weekend.