You may have to post some markup on this question. That said, the FormLayout should get you your left aligned label if you use a horizontal anchor.
<ext:Panel ID="Panel2" runat="server" AutoHeight="true" Title="Personal Information" FormGroup="true" BodyStyle="padding:5px;">
<Body>
<ext:FormLayout ID="FormLayout1" runat="server">
<ext:Anchor Horizontal="85%">
<ext:TextField ID="TxtName" runat="server" FieldLabel="Name" Enabled="false" />
</ext:Anchor>
You could also look at use Multifield for more complex fields you want similarly aligned.
<ext:Anchor Horizontal="85%">
<ext:MultiField ID="MultiField7" runat="server" FieldClass="editableFieldLable" FieldLabel="400 - Vacation">
<Fields>
<ext:TextField ID="TxtVacation" runat="server" FieldLabel="400 - Vacation" Enabled="false"/>
<ext:Button ID="Button5" runat="server" Icon="Help">
<ToolTips>
<ext:ToolTip ID="ToolTip3" runat="server" Title="400 Vacation" Html="400 vacation code " />
</ToolTips>
</ext:Button>
</Fields>
</ext:MultiField>
</ext:Anchor>