if today/be/sunday/,we/visit our grandparents if / weather / be/ fine tomorrow, we/ go on a picnic  last sunday, when / my family/ come/stadium, the match / start viết lại cây hoàn chỉnh cứu tui :(

Last Sunday, when my family did not come to the stadium, the match did not start.

If the weather is not fine tomorrow, we will not go on a picnic.

If today is not Sunday, we will not visit our grandparents.

Last Sunday, when my family came to the stadium, the match started.

If the weather is fine tomorrow, we will go on a picnic.