Choose the correct forms to complete the sentences

1. If I visit my grandparents in the countryside, I
   [go to the forest|will go to the forest] in summer.
2. I will go for a walk, if I
   [finish|will finish] my homework early.
3. When my friends invite me to the party, my mother
   [will take me to their place|takes me to their place] by car.
4. If we
   [don't finish|won't finish] working on the project, we will lose our job.
5. When I eat too many sweets, I always
   [feel|will feel] sick.