Please someone good at English help check if my questions are ok.

1. How much like his brother is Tom?
2. How much similar is Tom to you?
3. How much like my cat is yours?
4. How much like this story is the one you heard from him?
5.1. How similar what you experienced a year ago in that country is to what you are facing now in this country?
5.2. How similar is what you experienced a year ago in that country to what you are facing now in this country?

รบกวนช่วยดูให้หน่อยครับ ประโยคพวกนี้ถูกต้องตามหลักแกรมม่าและเข้าใจได้ไหม ต้องแก้ไขตรงไหนบ้างไหมครับ