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I will go to the park, when will be nice weather. 
I will go shopping , when will be sale.
I will go shopping if there is sale.
I will go to the cinema if there is a good movie.
I will go to the park, if there is nice weather. 
I will go to the museum if there are new sculptures. 
I will go to swim in ocean, if it's not cold. 
I will have a picnic in the forest, if there is not rain.
We are going to go to the beach, when we will done with homework.
We are going to visit our grandparents in the village outside the city, when won't be a lot of cars.