are the sentence correct? explain why 1. Either John or his children (are/is) coming to the party 2. He neither has my telephone number or my e-mail address. to

1. Either John or his children are coming to the party
2. He has neither my telephone number nor my email address

1. either John or his childern is coming to the party 
karena subject menunjukkan kata ganti orang tunggal jadi auxilary verb yang digunakan adalah (is) karena subjectnya tunggal 
kata either(antara) rumusnya :
Either + kata benda + or + plural (jamak) noun + plural verb
Either + kata benda + or + singular (tunggal)noun + singular verb

2. mungkin seperti ini bisa
He doesn't has my telp number and my email address, neither.
karena alasan untuk subject seperti yang nomor 1 tadi, (he, she, it) menggunakan kata (has) sedangkan (I, YOU, THEY, WE) menggunakan kata (HAVE)