<span style="color:#ff0000;">1-They decided to pay for constructing a new monument.</span><br/><br/><span style="color:#800080;">2-They decided to pay to construct a new monument.</span><br/><br/>Is there a difference in the meanings of these sentences?<br/><br/>Does "1" imply that the payment will be made after the construction is over?<br/><br/>Is "they" the subject of "to construct" in "2"?