8) my rule is to be looking for / not to look for trouble.9). let him introduce / to introduce himself first.10) the delegation is due to have arrived / to arrive tomorrow.11) the old pensioner could not afford to pay / pay the bill.12) it is hard to imagine but this old woman in the picture used to be / being youngand beautiful once.13) the weather is expected to settle / to have settled by the weekend.14) i demand to tell / to be told the truth.
