Question

My grandmother (to be) nervous of flying because she (not to be) on a plane before.

Answer 1

Ответ:

my grandmother is nervous of flying because she doesn't be on a plane before

Answer 2

My apologies, but there seems to be a mix-up in the tenses used in your sentence. However, I'll provide you with a corrected version based on my understanding of your statement:

"My grandmother is nervous about flying because she has never been on a plane before."

In this revised sentence, the present tense "is" indicates her current state of being nervous, and the present perfect tense "has never been" emphasizes that her lack of experience with flying is ongoing up to the present moment.