✨ Jawaban Terbaik ✨
1) My grandparents often treat me as if [I were a child]. ※事実：I am not a child.
2) If the earth [were to disappear] tomorrow, what [would you do]?
※if S were to ～ もし仮にSが～すれば ＜起こる可能性がない、あるいはほとんどないことの仮定＞
3) If you [should need any help], please give me a call] anytime.
※if S should ～ もしSが万一～すれば ＜起こる可能性が少ないことの仮定＞ give 人 a call 人に電話をする
4) Without water, no living thing could survive.
5) Saya speaks English as if she had lived abroad. ※事実：Saya has never lived abroad.
参考にしてください。
My pleasure!😊
ありがとうございます