Certainly! Here are the sentences with full verb forms:
That looks heavy. I will help you.
In this sentence, the speaker observes that something appears heavy and makes an immediate decision to offer assistance. The use of "will" indicates a spontaneous decision made in the moment.
She wants to sleep. She will go to bed.
Here, the speaker notes that someone wants to sleep and decides that the logical action for her is to go to bed. Again, "will" is used to express a decision made at the moment of speaking.
I have no money. I will not start my business.
In this case, the speaker realizes that due to a lack of funds, they cannot proceed with starting a business. The use of "will not" shows a decision made based on the current situation and available information.
These sentences demonstrate how on-the-spot decisions can be expressed using the simple future tense with "will," which is commonly used in English to indicate decisions made at the moment of speaking.