subject + need to + base verbUse need to before the base verb in affirmative sentences.
Need To
B1Need to shows necessity: something is necessary to do. Use don't need to or needn't when there is no necessity.
What you'll learn
- Build affirmative sentences with need to + base verb.
- Build negatives with don't need to and doesn't need to.
- Ask yes/no questions with Do/Does ... need to ... ?
- Recognize needn't as a shorter way to say no necessity.
- Understand that don't need to means optional, not forbidden.
Structure
subject + do/does + not + need to + base verbUse do not need to or does not need to for no necessity. After does, need stays bare.
Do/Does + subject + need to + base verb + ?Start the question with do or does. Need does not take -s after does.
subject + needn't + base verbNeedn't is a shorter negative form. Do not add to after needn't.
Build a sentence
Subject
Verb
Sheneeds to call
She needs to call Tom today.
In the affirmative, she needs to takes -s.
When to use
Tasks and duties
Use need to for actions required in daily situations and work tasks. Maria needs to send the report today.
Practical necessity
Use it when the situation makes something necessary. Tom needs to buy batteries because the remote is dead.
No necessity
Use don't need to or needn't when the action is optional. Lisa doesn't need to come early tomorrow.
Markers
todaytomorrownowbefore sixfor the meeting
In contrast
vs have-to-external-obligation
Need to and have to both express necessity. Need to often focuses on what is necessary in the situation; have to often sounds more like an outside requirement.
Common mistakes
Wrong
I need call Anna tonight.
Correct
I need to call Anna tonight.
After need in this pattern, use to before the main verb.
Wrong
She need not to leave now.
Correct
She does not need to leave now.
For this structure, make the negative with does not need to. Keep to before the main verb.
Wrong
He doesn't needs to hurry.
Correct
He doesn't need to hurry.
After doesn't, the verb stays in the base form: need, not needs.
Wrong
Need you to pay now?
Correct
Do you need to pay now?
Yes/no questions with need to take do or does at the front.
Wrong
You needn't to bring food.
Correct
You needn't bring food.
After needn't, use the base verb directly. Do not add to.
Common misconceptions
❝ If I say you don't need to do it, I mean you must not do it. ❞
Don't need to means there is no necessity. The action is optional, not forbidden.
❝ Needn't means a stronger negative than don't need to. ❞
Both forms express no necessity. Needn't is mainly a shorter form.
Skills in this rule (6)
USE_NEED_TO_FOR_NECESSITYw4Use need to for something necessary
Use need to when an action is necessary or required in the situation. It focuses on what is necessary to do.
AFFIRMATIVE_NEED_TOw5Build affirmative sentences with need to + base verb
Use need to before the base verb in affirmative sentences. The verb after to does not change.
NEGATIVE_DONT_NEED_TOw5Build negatives with do not need to + base verb
Use do not need to or does not need to to say something is not necessary. The main verb stays in the base form after to.
QUESTIONS_DO_NEED_TOw5Ask questions with do/does + subject + need to
Use do or does at the start of yes/no questions with need to. After does, need stays in the base form.
NEEDNT_FOR_NO_NECESSITYw3Use needn't as a shorter negative form
Needn't also means something is not necessary. It is a shorter alternative to do not need to in many situations.
NOT_NECESSARY_NOT_PROHIBITEDw4Understand that don't need to means no necessity, not a ban
Do not need to means the action is optional, not forbidden. The person can do it, but it is not required.