NET Natural Sciences MCQs

The action continued for a duration before another past event.
The past perfect continuous emphasizes that ongoing earlier activity.

The recent continuous activity explains a present result.
The present perfect continuous highlights duration and current effect.

This is a real future condition using the first conditional pattern.
The main clause takes 'will' plus the base verb.

Scientific facts and general truths use the simple present tense.
Therefore, 'moves' is correct.

'Yet' in a negative sentence commonly refers to an unfinished action up to now.
The present perfect is the natural tense.

The action is happening at the moment of speaking.
The present continuous tense is therefore required.

The waiting continued for a period before a past event.
The past perfect continuous emphasizes the duration.

The sentence refers to life experience without a finished past time.
The present perfect connects the experience to the present.

The train's departure occurred before another completed past action.
The earlier past event takes the past perfect.

The sentence describes an action in progress at a specific past time.
The past continuous tense expresses this meaning.

'Since 2020' marks a starting point continuing to the present.
The present perfect is the standard tense for this duration.

A habitual action is expressed with the simple present tense.
The third-person singular subject requires 'goes.'