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a) May I change the verb “to necessitate” by the verb “to need” in the following sentences:

1a) Lack of money necessitated a change of plan.
2a) This change would necessitate starting all over again.

b) May I change the verb “to need” by the verb “to necessitate” in the following sentences:

1) I don't need your approval, thank you very much.
2) I need to think about this before I make a decision.
3) That was what I needed - strong, hot coffee.
4) Money was tight and he needed a job badly.
5) Do you think I need to go to the meeting?
6) You need to work harder if you're going to pass those exams.
7) Nobody needs feel jealous.
8) Honestly, you don't need to get changed. You look fine as you are.
9) That fence needs fixing.
10) The children need collecting at 4 o'clock.
11) I think these potatoes need to be cooked a little longer. (By the way, which one is better: I think these potatoes need being cooked a little longer?)
12) I need hardly remind (say; tell) you that people will judge the school by the way you behave.
13) A house without bathroom, who need it? ((By the way, which one is better: A house without bathroom, who needs it?; A house without bathroom, which need it?; A house without bathroom, which needs it?

Thank you in advance!!!!!
Eladio
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"need" and "necessitate" are not interchangeable.

When you need something, you must have it. It is very important for you to have it. People need things.

"to necessitate" means "to cause to be needed", "to cause a need for".
People do not normally necessitate things. Situations or conditions necessitate actions.

Hope that helped.
Comments  
A.) In these sentences, if you switched the verb to "to need" it wouldn't be correct.

B.) Same thing applies here.

11) I think these potatoes need to be cooked a little longer. This one is right. The second option you gave isn't right.

13) A house without a bathroom, who needs it? <--That's correct. The other versions are incorrect.


Does that help you, or would you rather have more explanation?
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 CalifJim's reply was promoted to an answer.

behavior and communication will need to necessitate is this correct

behavior and communication will need to necessitate is this correct

As written above, this is nonsense.

Please write in sentences, with correct capital letters and correct punctuation. If you don't know how to do this, please tell us and we will help you.

Clive

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