Which are correct:<br/><br/><span style="color:#800080;">1-I was not foolish to believe him. </span><br/><span style="color:#800080;">2-I was not foolish believing him. </span><br/><br/><span style="color:#800080;">3-I was not foolish<b>,</b> to believe him. </span><br/><span style="color:#800080;">4<b>-</b>I was not foolish<b>,</b> believing him. </span><br/><br/><span style="color:#800080;">5-I was not a fool to believe him. </span><br/><span style="color:#800080;">6-I was not a fool believing him. </span><br/><br/><span style="color:#800080;">7-I was not a fool<b>,</b> to believe him. </span><br/><span style="color:#800080;">8-I was not a fool<b>,</b> believing him. </span><br/><br/>Which mean:<br/><b>a-I<u> did believe him bu</u>t that was not foolish</b><br/>and which mean:<br/><b>b-<u>I did not believe him</u>. It would have been foolish to.</b><br/><br/>Gratefully,<br/>Navi.