A teachbook says that 'be going to' is the substitute for modal verb 'will'. Example:

When I was going to school, I was preoccupied with good grades.

What tense did use the first clause, and why? Because 'will' produces future tense, but I saw past continuous.

  • "is going to" and "will" are used to form the future tense , but "was going to" is used to form the past tense
    – Mohammad
    Commented Mar 17, 2020 at 15:14

1 Answer 1


When I was going to school is indeed the past continuous; it is not the same use of be going to.

As a substitute for will, you could say "When I get home from work, I'm going to start preparing my evening meal." "Tomorrow I'm going to play football."

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