It is 'will think'.
The simple future tense of "graduate" is "will graduate."
The simple future tense refers to actions that have not yet happened but will occur in the future. The simple present tense refers to actions that are currently taking place.
"Will vanish" is the simple future tense.
I think there is no such tense as simple future. In grammar simple refers to one verb as in present simple or past simple. I think you are referring to will future. The form is will + base verb -- She will go home later. Not she will went later. The boys will buy some bread at the shop. James and Sarah will sing at the concert
Present tense - think. Past tense - thought. Future tense - will think.
The simple future tense of prepare is 'will prepare'.
"You will copyright" is the simple future tense. The future perfect tense is "You will have copyrighted". The future continuous tense is "You will be copyrighting".
The simple future tense of "grill" is: I will grill.
Present tense - think. Past tense - thought. Future tense - will think.
The simple future tense of the verb "have" is "will have." Example: "I will have dinner at 7 PM."
Simple future
The future tense of the word "think" is "will think."