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The Spanish copulas are ser and estar.The latter developed as follows: stare → *estare → estar. The copula ser developed from two Latin verbs. Thus its inflectional paradigm is a combination: most of it derives from svm (to be) but the present subjunctive appears to come from sedeo (to sit) via the Old Spanish verb seer.
El chico está aburrido uses estar to express a temporary state of mind ("The boy is bored"). The same strategy is used with many adjectives to express either an inherent trait (ser) or a transitory state or condition (estar). For example: "María es guapa" uses ser to express an essential trait, meaning "María is a good-looking person."
Similarly, the participle agrees with the subject when it is used with ser to form the "true" passive voice (e.g. La carta fue escrita ayer 'The letter was written [got written] yesterday.'), and also when it is used with estar to form a "passive of result", or stative passive (as in La carta ya está escrita 'The letter is already written.').
Acronyms are created to shorten long phrases and speed up communication, much like abbreviations and initialisms. While these terms are similar, they do have distinct differences to note.
You’ll be able to tell the difference between acronym examples, texting abbreviations, and common initialisms going forward. After this, don’t forget to brush up on what P.S. stands for .
A macronym, or nested acronym, is an acronym in which one or more letters stand for acronyms (or abbreviations) themselves. The word "macronym" is a portmanteau of "macro-" and "acronym". Some examples of macronyms are: XHR stands for "XML HTTP Request", in which "XML" is "Extensible Markup Language", and HTTP stands for "HyperText Transfer ...
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.
For example, if you earn $80,000 annually, you should target about $240,000 in savings by age 40 and $480,000 by age 50. How much do most Americans retire with?