Hãy chia động từ ở thì tương lai thường , rồi chuyển câu đã chia sang 2 thể còn lại :
1. We will live on Mars some day.
=> We won't live on Mars some day .
=> Will you live on Mars some day ?
2. Our planet will become a second hand Junk yard some day.
=> Our planet won't become a second hand Junk yard some day .
=> Will them planet become a second hand Junk yard some day .
1. We ( live ) will live on Mars some day.
2. Our planet ( become ) will become a second hand Junk yard some day.
1. We ( live ) have lived on Mars some day.
2. Our planet ( become ) has became a second hand Junk yard some day.