if常用在「條件句」(可能發生) 或假設口吻 (與事實相反)
1. 可能發生 (條件句)
If現在式⋯+ will/may/can/ shall/ should V
例: If you use their successful stories as your motivation, they will be proud of you.
例: If visitors come at the right time, they should see the panda just awake.
If 過去式⋯+would/ might/ could/ should V
例: If our students spent less time focusing on mobile games, they would get a better result! (明顯現在成積很差了！)
例: If I were you, I could accept Mary’s love. (明顯已拒絕了)
例: The world should be a better place if there were no more wars. (明顯與事實違背)
掌握If or Whether的差異，用【1條語構規則】推論出6種零碎用法影片