=>
12/
1. I will -> I
2. can have to -> will
3. will hope -> hope
4. you should want -> you want
5. could -> can
6. could -> can
7. should she -> she should
8. would -> should
13/
1. Jim always asks me what I will do if I see a shooting star.
2. My mother often adds some sticks of cinnamon in the soup.
3. If you can’t drink black coffee, you can add some milk or sugar.
4. How will the cake taste if we add some drops of olive oil?
5. My son won’t eat salad if there are tomatoes in it.
6. My sister often eats some slices of bread with some strawberry jam for breakfast.
7. Yesterday my mother and I bought some tins of sardine and some vegetables.
8. If you want your dish to look better, you should garnish it with vegetables.