1. Correct but really not commonly used. I visit my parents on occasion. 2. Correct. 3. All I need is for you to marry me. Or All I need for you to marry me is... The second version needs something after 'is' like 'to know you love me.'

I visit my parents as occasion serves. Not sure What did you do while you were abroad? Correct. All I need for you to marry me. -----> All I need is for you to marry me.

I visit my parents as often as time permits . *I visit my parents when/as/if ( the ) occassion demands What did you do while you were abroad? All I need from you is your agreement to marry me. * All I need is for you to marry me. Score under the words that has been written incorrectly. >don't understand