was, were, are, join， to join, joining If you ________in better

was, were, are, join， to join, joining If you ________in better health, we would have allowed you______________________ them in the work.
【正确答案】：were, to join
【题目解析】：此句的意思是如果你健康状况好一点，我们会允许你和他们一起工作。此句为虚拟式，条件分句用were，allow有宾语时后面加不定式。