Creating dynamic userform rely on dynamic checkbox selection

Dear Guys,

I need your helps. First of all, I created checkbox dynamic in orange code.

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Then I create a dynamic commanbutton which name is next in blue code.

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Now I want to create a new userform rely on the codes that I told above. When I click the checkbox 1 and command button, the second userform will be open. If I click the checkbox 1 and 2 and commandbutton then, first userform 2 will be open and then userform 3 will be open. I started below but It is not working.

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This emergency, pleeeeaseeee help meeeee rapidly !!!!!!!!!!!!!!!!!

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