Present Tense in English

is only for non-specific general actions.


I eat fish (twice a week/on occasion).

Do you run in the park (normally/routinely)?


never for specific (punctual) future events. —> present continous OR future


Are you eating fish this week? Are you going to eat fish this week? Will you eat fish this week?

Are you running in the park tomorrow? Are you going to run in the park? Will you run in the park?