1. It's raining.
2. It rained.
It's raining today.
此句为现在进行时,所以是下雨了现在还在下的意思。
It is raining .(外面正在下)
It rained (下过了)
It's raining outside. now.
it rained just now.
It's raining outside.
It rained just now.
现在还在下。
It's raining .
( it's raining today 是今天下雨了)