When learning a new language, it’s crucial to master expressions that allow you to communicate with precision. In English, expressing the necessity or obligation to do something is a crucial skill for interacting fluidly and naturally.
In this lesson, we will explore ten common expressions that you can use to convey this idea in English.
Must (+ base form of the verb)
“I must study tonight.”
This expression indicates a personal or social obligation with the base form of the verb and is used in both formal and informal contexts.
Have the obligation to (+ base form of the verb)
“He has the obligation to return this book to the library.”
This expression emphasizes the mandatory nature of the action.
Be required to (+ base form of the verb)
“Employees are required to follow safety rules.”
This expression emphasizes the adherence to a rule or norm.
It is necessary to (+ base form of the verb)
“It is necessary to fill out this form by the end of the month.”
Use this expression to indicate that an action is indispensable.
It is necessary that (+ subjunctive)
“It is necessary that you finish this project quickly.”
This expression expresses an obligation or necessity, often suggesting urgency.
One must (+ base form of the verb)
“One must always tell the truth.”
“One” here refers to people in general. Use this expression to talk about universal obligations.
It is imperative to (+ base form of the verb)
“It is imperative to follow the instructions.”
This formulation emphasizes that the action is absolutely mandatory.
It is unavoidable to (+ base form of the verb)
“It is unavoidable to attend this training.”
Use this expression to indicate that an action cannot be avoided.
Have no choice, must (+ base form of the verb)
“I have no choice; I must go to the doctor.”
This turn of phrase shows that the action is inevitable.
Be compelled to (+ base form of the verb)
“She is compelled to move because of her job.”
This expression highlights an obligation due to external circumstances.
By mastering these expressions to express necessity or obligation in English, you will be better equipped to communicate your ideas clearly and precisely. Remember that regular practice of these expressions in real conversations will help you naturally integrate them into your written and spoken expression.
