Сергей Николаевский
Сделайте из этих предложений вопросительные предложения?
Think carefully about how you can reuse something before you throw it away.
Only buy what you really need and use all of it.
Think carefully about how you can reuse something before you throw it away.
Only buy what you really need and use all of it.
Это повелительное наклонение. В нём отсутствует подлежащее, которое по умолчанию есть You.
Дальше просто:
1. Do You think carefully about how you can reuse something before you throw it away?
2. Do You Only buy what you really need and use all of it?