I, YOU, HE, SHE, IT, WE, YOU, THEY : WILL UNDERSTAND.
There is a past, present, and future. There was a past; there is a present and there will be a future.
Antarctica is a place of natural beauty which needs to be preserved for future generations
Past - was Present - is Future - will be
Differentiating between the past, present, and future is an example of
it will become smaller because of global warming is melting antarctica
no
present and future
its past present and future we was there in the past we is in the present and we is the future
We learn about history, so we can attempt to make the present and future a better place to live. By learning about our past we can make better choices and not make the same mistakes twice. And we also learn about ourselves and how we can, perhaps make history. == We try to reconstruct the past so that we can understand the present and plan for the future. If the dramatic stories of the past, in themselves, do not interest a student, and if a student has no desire to understand the present or to plan for the future, then I suspect that no answer to the question will be good enough.
Present tense - want. Future tense - will want.
The correct sentence is: Rita will understand if you arrive late. The verb "arrive" is in the simple present tense, indicating a future event.