Time flies. 主谓
We always miss the good old days. 主谓宾
Everything in memory seems beautiful. 主系表
Memory brings us sweet feelings. 主谓双宾
It renders the tedious daily routine more unbearable. 主谓宾+宾补
There is a mystery. There be 句型
We remain the same, yet today’s daily grinds may become tomorrow’s sweet memory. 并列句
We still remember that the sky was bluer the smile was brighter when we were children.
其中，that the sky was bluer the smile was brighter when we were children 是宾语从句
when we were children 是时间状语从句
The secret in this illusion is that what we cherish may not be the material life which seems to matter a lot, but the spiritual life fermented in our memory.
其中，that what we cherish may not be the material life which seems to matter a lot, but the spiritual life fermented in our memory是表语从句
what we cherish 是主语从句
which seems to matter a lot 是定语从句
There is no denying the fact that what is gone will never return.
其中，that what is gone will never return 是同位语从句
what is gone是主语从句。