In this excerpt from lord byron's "she walks in beauty," which two sets of lines show that byron's subject is rich in kindness and grace?

One shade the more, one ray the less,

Had half impaired the nameless grace

Which waves in every raven tress

Explanation: PLATO

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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.