He (Which should be El, but anyway) visto is not correct, because you are talking about someone else. Yo Tengo is correct, because you are staying that you have seen.
What subject do you need help with ? math english or science .. hopes this help :)
got what right, but congrats btw..
I’m am passing the summer in alajuela, it is a place very fun
Photosyntesis
Thats Sciense not Spanish. lol.
