What it means
てもいいです expresses permission or says that an action is acceptable. It is attached to the te-form of a verb and is commonly used to tell someone that they may do something. The polite form ends in てもいいです, while the familiar form ends in てもいい.
Usage note
Do not confuse てもいいです with てもいいですか. The latter asks whether an action is permitted, while てもいいです gives or states permission.
How to use it
Verb (て-form)もいいです
ここで写真を撮ってもいいです。
It is okay to take pictures here.
Verb (て-form)もいい
ここで写真を撮ってもいい。
It is okay to take pictures here.
Example sentences
この部屋で写真を撮ってもいいです。
It is okay to take pictures in this room.
雨の日は、教室で昼ご飯を食べてもいいです。
On rainy days, it is okay to eat lunch in the classroom.
図書館では、静かに本を読んでもいいです。
At the library, it is okay to read books quietly.
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