Present and past
- Simple present: habits – She walks to school.
- Present continuous: now – She is walking.
- Simple past: finished – She walked.
Future
- will + base verb: I will call you.
- be going to for plans: I am going to study.
Key idea
Each tense has its use: simple present for habits, continuous for now, simple past for finished actions, will/going to for the future.
Remember
Use time words (now, yesterday, tomorrow) to choose the right tense.