BackGrammar JLPT Level N3 - Lesson 1
Structure of べきではない:
Verb + べき + ではない
Verb + べき + じゃない
Details about べきではない:
As an extension of the auxiliary verb べき, that is partnered with verbs to convey 'ought to do (A)', べきではない (or べきじゃない) highlights the opposite, and means 'ought not to (A)', 'should not (A)', or 'must not (A)'. Just like べき, it is quite strong, and implies that doing (A) would be considered improper/incorrect.
べきではない (or べきじゃない) will be paired with the plain (non-past) form of a verb.
べきではない (or べきじゃない) will be paired with the plain (non-past) form of a verb.
- 濡れている手でコンセントに触れるべきではない。You must not touch the outlet with wet hands.
- どんなにいう事を聞かなくても、子供に手をあげるべきじゃない。No matter how much a child doesn't listen to what you say, you ought not to raise your hand at them.
べきではない
Usage Notes for べきではない:
As with all other structures that use では, は may be omitted. However, as the presence of は strengthens the ない, the overall phrase will sound a little bit weaker without it.
- 一人であの山に行くべきではない。You must not go to that mountain alone.
- 人を傷つけるような事を言うべきでない。You ought not to say anything that could hurt a person's feelings.
Synonyms for べきではない:
てはいけない
Must not, May not
ないほうがいい
It'd be better not to, Shouldn't do
べき
Must, Should , Ought to
たほうがいい
It'd be better to, Should do
なくちゃ・なきゃ
Must do, Have to do
はずだ
Bound to (be), Expected to (be), Should be (able)
なければいけない
Must do, Have to do
なければならない
Must do, Have to do
ことだ
Should, Ought
ものだ
Supposed to, Should, That's the way it is
Example of べきではない
腐っている食べ物を食べるべきではない。
You shouldn't eat food that is rotten.
禁煙場所では、タバコを吸うべきではない。
You must not smoke in places that are non-smoking.
大したことないよ。心配をするべきではない。
It's not important. You shouldn't worry about it.
人が嫌がることをするべきではない。
You should not do things people dislike.
人の悪口を言うべきではない。
You should not speak ill of others.
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