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The English personal pronouns are a subset of English pronouns taking various forms according to number, person, case and grammatical gender. Modern English has very little inflection of nouns or adjectives, to the point where some authors describe it as an analytic language, but the Modern English system of personal pronouns has preserved some of the inflectional complexity of Old English and ...
LibreOffice Impress, one of the most popular free and open-source presentation programs. In computing, a presentation program (also called presentation software) is a software package used to display information in the form of a slide show. It has three major functions: [1] an editor that allows text to be inserted and formatted
The present continuous is formed by the present tense form of be and the present participle (-ing form) of the verb. [3] [4]For example, you would write the verb work in the present continuous form by adding the -ing suffix to the verb and placing a present tense form of be (am, are, is) in front of it: [3]
The simple present is the most commonly used verb form in English, accounting for more than half of verbs in spoken English. [1] It is called "simple" because its basic form consists of a single word (like write or writes), in contrast with other present tense forms such as the present progressive (is writing) and present perfect (has written).
"Free software" means software that respects users' freedom and community. Roughly, it means that the users have the freedom to run, copy, distribute, study, change and improve the software. Thus, "free software" is a matter of liberty, not price. To understand the concept, you should think of "free" as in "free speech," not as in "free beer".
Simple molecular representation of cellulose acetate with one of the acetate groups on the cellulose backbone shown by the red circle Cigarette filters are made up of thousands of polymer chains of cellulose acetate , which has the chemical structure shown to the right.