In writing, the topic refers to the thesis of a given text. or in other words, what a certain text is about. On the other hand, subtopics constitute part of the topic or main subject, which are often discussed in different paragraphs.
Considering the described above, three subtopics for the general topic happiness could be personal realization, professional realization and leisure time, which can be considered as a part of the topic of happiness.
the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.
it is formed using: person + verb to be (am/is/are) +verb + - ing form
example: i am studying at this moment .
in addition, the present continuous is also used in order to express things that will or will not happen in the near future.
example: i am having dinner with some friends tonight.
the speaker sometimes uses it to express that an action is repeated and it causes irritation on the part of the speaker
example: my sister is constantly complaining about everything.
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