Question

a new TV channel ( has been started / was started) last monday​

Answer 1

A new TV channel was started last Monday.

Explanation:

• Here, ' has been started' is the present perfect form of the verb. Normally, a Present Perfect Tense tells about and action that happened in the past and has a relation to the present.

• Present Perfect Tense does not bother about the exact timing when the action took place in the past. For example - I have completed the daily chores. This sentence that the action happened in the past but does not specify the exact time. It simply tells us that now (in present) the work stands completed.

• The above sentence mentions a specific time 'last Monday'. Therefore, it is more appropriate to use Simple Past Tense here that the present perfect form.

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