Grammar

Present Perfect Progressive We use the present perfect progressive tense (also called the present perfect continuous tense) to express an action or event that started in the past and is still in progress. I have been learning English since I was 10. She has been playing tennis for over 20 …

present progressive We use the present progressive tense (also called the present continuous tense) to express things that are happening now, temporary situations, and activities in progress. Happening now: She is drinking coffee. Something in progress: I am working on a new project. Repeated action: He is always borrowing money …

  We use the present simple tense to show a fact, habit, permanent situation, or fixed arrangement. Fact: Water boils at 100 degrees Celsius. Habit and routine: I wake up at six every morning. Permanent situation: I live in Paris. Fixed arrangement: The train leaves at 8:00.   In the …

  A pronoun is a word that we use instead of a noun or a noun phrase to avoid repeating the same noun again and again (e.g., I, you, he, she, it, we, or they, the landowner).   Types of Pronouns envocabulary.com

We use interrogative pronouns to ask questions about someone or something that we do not know about. Interrogative Pronouns Usage Example who person (subject) Who are you? whom person (object) Whom did you invite? whose person (possessive) Whose is this pen? what thing What did you wear? which person/thing Which …