`1,` Although he is over 60, he doesn't wear glasses.
Although + S + V
`2,` W know each other since we were small.
Since + mốc thời gian trong quá khứ
`3,` She likes to watch love story films.
S + V( s/es ) + O.
`4,` The man who you talked with yesterday is my father.
... S ( person ) + who + V + O.
`Envimiist`