Question

The ebb and flow of the tides ______ explained by Newton.

• A. is
• B. were
• C. was
• D. are

Answer 1

Answer:

C. was

• The subject of the sentence is "The ebb and flow of the tides," which is treated as a singular concept. So, a singular verb is required.
• "Was" is a singular verb in the past tense (ഭൂതകാലത്തിലെ).
• ന്യൂട്ടൻ്റെ explanation past ൽ ആണ് സംഭവിച്ചത്, so the past tense "was" is appropriate.
• "Is" is a singular verb. പക്ഷെ, past ൽ നടന്ന കാര്യം പറയാൻ ഉപയോഗിക്കില്ല, present ൽ മാത്രമേ ഉപയോഗിക്കു.
• 'Are' and 'were' is plural, so its wrong.