必須更改 plan！

 口說實用指數：★★★
學校：If the weather isn't fine, you might have to change your plans.
　　 （假如天氣不佳，你們可能就必須更改計畫。）
老外：If the weather isn't good, you might have to change your plans.
　　（假如天氣不好，你們可能就必須更改計畫。）


實境對話
A: We'll probably go to the botanical garden.
　（我們大概會去植物園。）
B：OK, but if the weather isn't good, you might have to change your plans.
　（好的，但假如天氣不好，你們可能就必須更改計畫。）

老外還會這麼說
ex：If it rains, you could go to the art museum.
　（假如下雨，你們可以去美術館。）
ex：If it's really hot tomorrow, you might want to check out the mall.　
　（假如明天真的很熱的話，你們可能會想去賣場逛逛。）
ex：It's not really that nice at the beach when it's this windy.　
　（風這麼大的時候，去海邊其實沒什麼好。）