Can I say,
(1) They laughed at the monkey
because the ball was taken by it. After a few minutes, the monkey had joined the game.
(2)
Its action was funny. They laughed at the monkey.
Later, it took the football and gave it to Peter. it joined them to play the football game. It was an unforgettable day.
(3) They laughed the monkey after i
t took / had taken the ball. After that, i
t joined / joined in (the) football game with them. Then, they
continued playing happily. (4) They laughed at the monkey.
It did many funny action to them. They wanted to take the ball (back), but it did not give them. So they let it to join their
game.(5) They laughed at the monkey.
It had taken away their (foot)ball. They felt sad because they could not continue the game.
(6) They laughed at the monkey. It took the ball and looked at them. They
tried to take their ball but failed. After that, they decided to let the monkey to join thier game. They played with it happily.(6)