Question

Since his arrival at his native town he is trying to the best of his power to spread education among the poor masses. No error​

Answer 1

Has been trying

Since his arrival at his native town he has been trying trying to the best of his power to spread education among the poor masses.

• When referring to a prior event, we use since. The word "for" denotes lengths of time, such as 3 years, 4 hours, ages, a long time, months, and years. Since 2004 they have resided in Oxford. Since denotes an earlier period of time.
• Since indicates the beginning of a present-tense action that requires the use of a present perfect or present perfect continuous tense verb. The word "from" is used to indicate where an activity will begin.
• Without getting too specific, there are two main distinctions: When something has "been," it has already happened in the past and is no longer happening.
• When something started in the past and has continued into the present, the words "have been" and "has been" are employed. Since the creation of the game, it has been. Since he returned, Matt has been that. Both previously and currently, it had been. Since April 2001, it had never been higher than that.

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