专题十二 非谓语动词
to catch
to make
find
laugh
fixing
losing
wearing
catching
believed
warning
washed
To sell
to protect
jumping
to hold
recycling
to return
to make
to join
not to be
visiting
to keep
singing
to knock
not to eat
staying
paying
to help
admire
to keep
living
making
listening
to save