A) have, will take up
had, would take up
had had, would have taken up
b) will be, are
would be, were
would have been, had been
c) work, will get
worked, would get
had worked, would have been
d) have, will need
had, would need
had had, would have needed
e) want, will have
wanted, would have
had wanted, would have had
f) will get, try
would get, tried
would have got, had tried
g) will be, is
would be, were
would have been, had been
h) will be, involves
would be, involved
would have been, had involved