帮我看下这句话语法对不对?The findings of this study examined that constrain mothers of young children engaged physically activities,and the relationship between physical activity and levels of social support available to the women.

帮我看下这句话语法对不对?The findings of this study examined that constrain mothers of young children engaged physically activities,and the relationship between physical activity and levels of social support available to the women.
帮我看下这句话语法对不对?
The findings of this study examined that constrain mothers of young children engaged physically activities,and the relationship between physical activity and levels of social support available to the women.

帮我看下这句话语法对不对?The findings of this study examined that constrain mothers of young children engaged physically activities,and the relationship between physical activity and levels of social support available to the women.
在support available之间加一个is把!of young children 可以删除,mother,physical activity要改成复数.