In the following sentence, a part of the sentence is underlined. Below are given alternatives to the underlined part, which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose the alternative that indicates 'No improvement.'
The king had be ordered the man to come to the castle.
The sentence uses the auxiliary verb 'had', indicating that the tense used is past perfect tense.
The rule for using past perfect tense is to use 'Had+past participle form of the verb'. So, the use of the verb 'be' here is not required. Therefore, the correct answer is option 3.