Question

1. The kids are excited about seeing their favorite soccer players.

2. The kids are excited about having seen their favorite soccer players.

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Question about Sentence 1: Are the kids looking at the players now? Or are the kids going to see the players in the future? Or did the kids see the players before?

Question about Sentence 2: Did the kids see the players before? And then are they excited about that?

Answer 1

For #1, your second question gets the 'yes' answer.

For #2, the answer is 'yes' for both questions.