<span style="color:#ff0000;">1-He went to work at nine as he says.</span><br/><span style="color:#800080;">2-He went to work at nine<b>,</b> as he says.</span><br/><br/><span style="color:#ff0000;">3-He went to work at nine as he says he did.</span><br/><span style="color:#800080;">4-He went to work at nine<b>,</b> as he says he did.</span><br/><br/>Do "1" and "3" mean: <br/><br/>a-He went to work at nine in the manner he says he did.<br/><br/>Do "2" and "4" mean:<br/>b-He says that he went to work at nine and that is what he did.