■ 【interrogative】V- ば いいですか?
Meaning: “What should I do?” or “What is the best way to do something?
This expression is used to ask for advice on how to do something or what actions to take in specific situations.
It is used to ask about the correct way to handle something, such as customs, rules, or general advice.
■ V- ては いけません/だめです
Meaning: “You must not [verb].” / “It is not allowed to [verb].”
Vて は いけません
Vて- ちゃ だめ (casual form)
This expression is used to prohibit an action or state that is not allowed.
V- ては いけません is a formal or polite way to say “you must not” or “it is not allowed.”
V- ちゃ だめ is a shortened, casual version of the same expression, often used in informal settings.
■ V- なくちゃ
Meaning: “You must [verb].” / “You have to [verb].”
This expression is used to describe something that must be done, often in a casual spoken context.
It is a shortened, informal version of V-なければ ならない, which expresses obligation or necessity.
V-なくちゃ is typically used in casual conversation, while V-なければ ならない is more formal.
■ V- る ように、~
■ V- ない ように、~
Meaning:
“In order to [verb], [action].”
“In order not to [verb], [action].”
V(dictionary-form) +ように、[action]
V(ナイ-form) + ように、[action]
This expression is used to explain the purpose or goal of an action.
The part before ように expresses the desired outcome or condition that the speaker aims to achieve with the following action.
Verbs expressing capability like わかる (to understand) or できる (can do) can be used with ように.
Verbs expressing intention like 働[はたら]く (to work) cannot be used with ように directly.
■ V-(ら)れます < Passive ②>
Meaning: To be [verb]-ed by [someone].
V-(ら)れます (passive form)
Group 1(u-verbs): Change the final “u” to “a” + れます
Group 2 (る-verbs): Vる + られます
Group 3 (Irregular verbs):
する → されます
来[く]る → 来[こ]られます
The passive form is used when the subject of the sentence is the receiver of an action.
“に” or “から” indicates the agent (the person performing the action).
Common expressions include:
~と言[い]われる (to be told),
呼[よ]ばれる (to be called),
しかられる (to be scolded).
■ S(plain-form)の?
Meaning: Asking a question.
This expression is used to ask for an explanation or reason about a situation, often when you are surprised or want to confirm something.
In casual speech, の? is used in place of んですか?.
In more formal speech, you can use ~んですか? instead.
■ V- なきゃ
Meaning: You must [V].
This expression is a casual way of saying ~なければ ならない (must do [V]).
The full form is V-なきゃ ならない, but ならない is often omitted, leaving V-なきゃ.
It is commonly used in spoken language, especially in informal settings.