ประโยคที่1นี้ไม่สัมพันธ์กับประโยคที่2
there has never been any kings like him before.
there has never been any kings like him.
there is no kings like him
That was the greatest invention which interests foreigners at the time.
That was the greatest invention which foreigners are interests at the time.
และอื่นๆ
which results in people not suffering from problems have happened a long time ago.