Trees help purify our air. When the air is to contaminated trees take in all that contamination so we can breathe better.
Mark Brainliest please
Just
Refer to events that recently occurred
Examples:
Are you hungry? – No, I’ve just had dinner.
Is Tom here? – No, I’m afraid he’s just gone out.
Already
An action that has happened at an unspecified time before now. It suggests that there is no need for repetition
Can be placed before the main verb (past participle) or at the end of the sentence
Examples:
What time does the film start? – It has already started.
What time does the film start? – It has started already.
Yet
Refer to events that have occurred up to now
Examples:
He hasn’t arrived yet.
Have you eaten the apples yet?
For
Talk about a period or duration of time
Doesn’t have to be an exact number, but it needs to refer to a period of time
Examples:
He has lived in Paris for a long time.
We’re going to New York for the weekend.
Since
Refer to a specific point in time
Examples:
I have lived here since 2010.
I have been walking since 5 p.m.
Ever/Never
Express the idea of an unidentified time before now
Always placed before the main verb (past participle)
Examples:
He has never been abroad.
Have you ever been to Europe?
https://7esl.com/time-adverbs-used-with-the-present-perfect-tense/
The two axes allow the reader to compare the variables
Hope this helped :)
D. <span>A song that commemorates a historic event
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<u>Identify the present participle in the sentence.</u>
The cars<u> passing by</u> are filled with commuters.
The present participle form is formed by the verb + ing, and its use depends on its placement.
In the case of the provided sentence, the verb would be "pass"+ing = <em>"passing"</em>. Furthermore, the present participle in the sentence has the function of a <u>verbal noun</u>: <em>"the cars passing by".</em>
