用It/This/That was the first time that...和no...until/till 分别造两个简单句.

It was the first time that I fell in love with someone
He didn't notice his fault until his teacher pointed it out.分别造两个，麻烦你了It was the first time that I became a motherit was the first time that he went to beijinghe didn't realize his heart until his wife diedThe traffic laws don't take effect until the end of the year