Question

in which tenses 'since' and 'far' are used​

Answer 1

since and for are used in perfect continuous tense

Answer 2

Answer:

The answer is that

Since is used in past tense

For example, She didn't come to school since she was not feeling well.

For is used either in present past or future

For example, Mr . cat went for a walk,

                      He took care of his brother for a while  as his mother was not at home,

                       He will be going to Africa for 10 days.