Tenses

Q2. The simple present can describe habits.

Q3. Tense never changes meaning.

Q4. “Had left” is past perfect.

Q5. Present continuous can describe an action happening now.

Q6. “Was eating” is a past continuous form.

Q7. Future tense can be formed with “will + base verb”.

Q8. “Am knowing” is the normal present form of the verb “know”.

Q9. “Will have finished” is future perfect.

Q10. Present perfect uses has/have + past participle.