A real flame of love-a subtle thing. What kind of stylistic device is used here?

if they really wanted to do that and imprint on some material thing they could buy a camera at the local store regardless of higher price.

1)name, dan,near, no,can.

2)seven, nine,ten.

what do you like doing in your free time?

1)she wasn't invited to the party by them.

2)the windows were not left open by me.

  3) the light wasn't turnud off by them.

  4)some friends have been invited to tea by me.

  5) an english book has been given me by her.

  6)have the letter been written yet?

  7) we have been told a lot of interesting things by them.