Present Simple or Present Perfect плиз

1.Helen speaks French so well because she has liveed in France
2.She lived there last year
3.The rain has stopped and the sun is shining again
4.The rain stopped half an hour ago
5.Mary has bought a new dress
6.The wind has blown off the mans hat and he cannot catch it
7.The weather has changed and we can go for a walk
8.The wind changed in the morning

Use of Present Perfect
1. puts emphasis on the result
Example: She has written five letters.
2.action that is still going on
Example: School has not started yet.
3.action that stopped recently
Example: She has cooked dinner.
4.finished action that has an influence on the present
Example: I have lost my key.
5. action that has taken place once, never or several times before the moment of speaking
Example: I have never been to Australia.

1.Helen speaks French so well because she lives in France
2.She( has ) lived there last year
3.The rain has stopped and the sun is shining again
4.The rain (has) stopped half an hour ago
5.Mary buys a new dress
6.The wind has blown off the mans hat and he cannot catch it
7.The weather has(just)changed and we can go for a walk8.The wind has changed in the morning