Answer:
badly burnt
very small pieces
fell suddenly downwards
turning and twisting
hung
knocking together(teeth)
things people do
lift quickly
making a loud cry(in pain)
The first and second at first glance looks to have a misplaced modifier, but the first one is the correct answer. :)
They are helping verbs. Your helping verbs are the following:
am been may
is can might
are could must
was shall
were should
be will
being would
D
because it says used which is past tense