1. he had graduated from university . the he went abroad to work ( having ) -> 2. my father takes responsibility for doing the heavy lifting in my family -> my father is 3. all the members of my family share household chores equally -> my mother made 4. he was betrayed by his paartner .he suffered huge losses ( betrayed ) -> 5. she doesn't love him . he is sad ( if ) ->

1. Using "having" in the first sentence indicates that the action in the second sentence happens after the action in the first sentence.

2. By completing the sentence "my father is" with the phrase "takes responsibility for doing the heavy lifting in my family," you are describing a characteristic or role of your father.

3. To transform the sentence "all the members of my family share household chores equally" into "my mother made," you need to change the verb "share" to "made" to indicate that your mother is the one responsible for assigning household chores.

4. The word "betrayed" in the transformation prompts you to focus on the action of betrayal and the resulting outcome for the subject.

5. The use of "if" in the sentence indicates a condition or possibility that may or may not be true.

Answer:
1. Having graduated from university, he then went abroad to work.
2. My father is the one who takes responsibility for doing the heavy lifting in my family.
3. My mother made sure that all the members of my family share household chores equally.
4. Betrayed by his partner, he suffered huge losses.
5. If she doesn't love him, he is sad.