Question

she____finish this work before i go.Which modal is use in this sentence​

Answer 1

Answer:

had to

she had to finish this work before I go .

EXPLANATION

have to / had to

Have to expresses obligation and necessity in the present. Had to does so in the past:

example --

1. She has to look after her mother.

2. He had to finish his work before 5 p.m.

here no 2 example is correct for your situation..