我是否必须为SharePoint工作流中的每个任务使用InfoPath表单？

Is it possible to use InfoPath forms within a SharePoint workflow for all but one of the workflow tasks? Our customer wants a particular task to use the default sharepoint page for editing that list item but disabling the form I was using for that task just makes the workflow default to the Task0_FormURN defined inside workflow.xml. If I make sure this definition is empty or non exsisting then I just get an error. It seems to me that if you want to use InfoPath forms then you need to go all out for every task.Is it possible to use InfoPath forms within a S