graduate.

[Ju]

1. Most students will have taken sixty credits by the time they graduate.
2. Most students will have taken sixty credits by the time they have graduated.

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Let me try to tell the differences between the above sentences.

1. graduate : means the students just graduate sharp at that moment
2. have graduated : means the students have already graduated right before the moment

Thank you

[Raymott]

1. Most students will have taken sixty credits by the time they graduate.
2. Most students will have taken sixty credits by the time they have graduated.

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< <<
Let me try to tell the differences between the above sentences.

1. graduate : means the students just graduate sharp at that moment
2. have graduated : means the students have already graduated right before the moment

Thank you

I think that's close enough. But I've crossed out 'right'. I can say, "I have graduated", even if it was not recently.

A: "You can't teach until you've graduated."
B: "But I have graduated. I graduated ages ago!"