It has been used as the symbol... is correct here. Use Present Perfect when the action referred to started in the past, and either continues (or continues to have relevance) at the time of speaking.

Jul 4, 2011 · Why does "used to" mean "accustomed to"? Why is "used to" used to indicate a recurring past event? In I used to be used to using it. there are three meanings of "use". I ask …

To me, "used to" and "used for" are incompatible, as shown in the examples below. However, I am unable to substantiate this. MS Word doesn't "see" the differences, so I turned to …

Jan 8, 2015 · What is the difference between "I used to" and "I'm used to" and when to use each of them? Here, I have read the following example: I used to do something: "I used to drink …

Apr 18, 2017 · Here is a question that has been nagging me for a few years: Which is the right usage: "Didn't used to" or "didn't use to?" Examples: We lived on the coast for years but we …

Feb 14, 2024 · I am trying to explain to an ESL student how to understand when to treat "some" as plural and when to treat it as singular. One clear rule is when "some" is the subject followed...

The that is a pronoun referring back to a noun phrase and the which is the relative pronoun used for non-animate antecedents. If we expand the shortest of the OP's example sentences to …

What are rules or style guidelines when adding "pre" to the beginning of words. I know that this called a prefix and that illustrates my point. How/when can pre be attached without a hyphen? …

May 3, 2015 · I am confused when the spellings "tion", "sion", and "cion" are used in words that contain the "shun" sound. Are there any rules to help me understand when to use the correct …

Used to indicate the maiden name of a married woman. (2) Formerly known as. From definition (2) of the both of the above, I found the word, ‘née’ can be used both for person and other …