The usage of both is as follows:
Both refer to how they are. There are two uses. It can be used with nouns and pronouns, verbs, subjects, objects and appositives in sentences, and can also be used as an attribute. When using adjectives, there are two boys = two boys (two boys ...).
More information is as follows:
Contemporary words are followed by both of us = both of us (both of us ...). When both is an adverb, it is placed after Be verb, auxiliary verb and modal verb and before action verb, such as we both like English. We can all sing.
In addition, both also form the phrases both ... and ... (both ... and ... Tom and Tina both like English. (Tom and Tina both like English) Remember that the predicate verb here must be plural.
Examples are as follows:
Health can not only save your life, but also your love life. To support both, health experts suggest following six steps. Good health can not only save lives, but also save your love life. In order to improve the quality of both, health experts suggest following six steps.
Diet and exercise are both important for health. Proper diet and exercise are both important for health.