Можете проверить на грамотность. the picture shows a picnic. in the foreground we car see a tray of chips, lemonade and two teenagers. i think than they are in the park. in the background i can see people. they sitting and talking.i think that the people in the picture have a good time.

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1) shows US a picnic.
2) They ARE sitting and talking TO EACH OTHER.
3) ... ON that picture ARE having a GREAT time
добавь больше прилагательных, добавь что-то про погоду (хорошая/плохая, солнечная/облачная)