Interrogative words or question words are words which are used to ask questions. Those words include what? who? which? when? where? whom? why? whose? and how? WHAT? What is used to ask information specifying something. Examples: What time is it? ...

The present perfect continuous tense is used to talk about an action that started in the past and is continuing at the present time. This is often used with for or since. Formation The present perfect continuous tense is formed by conjugating the auxiliary “to have” ...

The present continuous tense/present progressive tense is a tense which is used to express actions which are taking place now. It indicates the actions which are taking place at the the time of speaking. Formation This tense is formed by ...

The present perfect tense deals with the events which have just been done. It is used when there is a connection with the present. In other words, we use this tense to give information or to announce a recent happening. ...

We use the past simple tense to talk about the actions or situations that happened in the past. *Most verbs have their past simple tense by adding ‘-ed, -d’ to the verb. Ex: It rained yesterday. They visited their grandchildren ...