Поставить предложения в past simple, а также в отрицательную форму и вопросительную форму: 1) it sometime rains. 2) the sky is usually bright-blue.

1)  The sky is usually bright-blue.
2)  the sky was bright- blue
3) the sky is usually not bright- blue
4) the sky is usually bright-blue?

       The sky is usually bright-blue.
1.  The sky was usually bright-blue.
2.  The sky did not is usually bright-blue.
3.  Did the sky is usually bright-blue?

       It sometimes rains.
1.  Sometimes it was rain.
2.  The rain sometimes was not.
3.  Did the rain sometimes was?