They wanted  (discuss) the contract.- They wanted to discuss the contract. 1.I promise ( help) you.
2.I hate (wait).
3.It’s no good (do) it.
4. I hope  (see) you soon.
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1. I promise to help you.
In this sentence, "promise" is a verb that requires the infinitive form of another verb to complete its meaning. So, the correct form is "to help" instead of just "help".

2. I hate waiting.
In this sentence, "hate" is a verb that can be followed by either a gerund (verb + -ing) or an infinitive. In this case, the gerund form "waiting" is used to express the action of waiting that the speaker dislikes.

3. It’s no good doing it.
In this sentence, "no good" is a phrase that is used to mean "not useful" or "not beneficial". It is followed by the gerund form "doing" to express the action of doing something that is not beneficial.

4. I hope to see you soon.
In this sentence, "hope" is a verb that requires the infinitive form of another verb to complete its meaning. So, the correct form is "to see" instead of just "see". The speaker expresses their desire to see the person in the future.

To summarize:

1. I promise to help you. (The speaker guarantees to provide assistance).
2. I hate waiting. (The speaker strongly dislikes the act of waiting).
3. It’s no good doing it. (Doing it is not beneficial or useful).
4. I hope to see you soon. (The speaker looks forward to seeing the person in the near future).