Always felt that something is missing语法正确,用词恰当吗

Always felt that something is missing语法正确,用词恰当吗
Always felt that something is missing
语法正确,用词恰当吗

Always felt that something is missing语法正确,用词恰当吗
用have been lost会不会好一点

总觉得象是失去什么一样.