Context
7 GRAMMAR RULES
1. PRESEN SIMPLE
present tense + common aspect
2. PRESENT PROGRESSIVE
subject + verb to be + verb ING
3. SIMPLE PAST
subject + verb in simple past
4. PAST PROGRESSIVE
subject + was/were + verb ING
5. PRESENT PERFECT PROGRESSIVE
subject + have/has been + verb ING
6. FUTURE SIMPLE
subject + WILL + base form of the verb
7. FUTURE PROGRESSIVE
subject + WILL BE + verb ING