Structure, Speech Work, Structure,Vocabulary - SS2 English Past Questions and Answers - page 1

There are two main rules of sequence 

1. The tense of the subordinate clause must be consistent with the tense of the main clause.
2. The tense of the subordinate clause must be consistent with the meaning of the sentence.

For example, if the main clause is in the past tense, the subordinate clause must also be in the past tense. However, if the main clause is in the present tense, the subordinate clause can be in the present tense, the past tense, orthe clause must be consistent with the meaning of the sentence.

Unity is essential for nation building because it provides a sense of shared identity and purpose among the people of a country. When people feel united, they are more likely to cooperate and work together for the common good. This can lead to economic development, social progress, and political stability.