Correct the mistakes if there are any 1) the weather today is well 2) they trained correctly because they had an important match 3) they slept bad because there was a thunderstorm 4) she answered the question correctly 5) i could understand quite good because the teacher spoke clear

1) the weather is well today
2) They correctly trained because they had an important match
3) they slept badly because there was a thunderstorm
4) she answered the question correctly
5) I could understand quite well because the teacher spoke Clear