Answer:
1. J'y vais
2. Nous y sortons
3.J'y vais
4. Il va s'y promener
Explanation:
Y= there. Take out the underlinded things and put the y before the verb. If it is an infinitive (verb that ends in er,ir, or re) put the y before the infinitive. I did the 1st 4 as a model-- you can do the rest.