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The dictionary form always has the vowel, not the diphthong, because, in the infinitive form, the stress is on the ending, not the stem. Exceptionally, the -u- of j u gar (u-ue -gar, -jugar) and the -i- of adqu i rir and inqu i rir (i-ie) also are subject to diphthongization ( juega , etc.; adquiere , etc.).
To form the gerund of an -ar verb, replace the -ar of the infinitive with -ando; e.g. jugar, hablar, caminar → jugando, hablando, caminando. For -er or -ir verbs, replace the -er or -ir ending with -iendo; e.g. comer, escribir, dormir → comiendo, escribiendo, durmiendo (note that dormir undergoes the stem vowel change that is typical of -ir ...
Sleep is divided into two broad types: non-rapid eye movement (non-REM or NREM) sleep and rapid eye movement (REM) sleep. Non-REM and REM sleep are so different that physiologists identify them as distinct behavioral states. Non-REM sleep occurs first and after a transitional period is called slow-wave sleep or deep sleep.
Singular forms (Él) es: "He/it is"; used for a male person or a thing of masculine (grammatical) gender. (Ella) es: "She/it is"; used for a female person or a thing of feminine (grammatical) gender. (Ello) es: "It is"; used to refer to neuter nouns such as facts, ideas, situations, and sets of things; rarely used as an explicit subject. Plural ...
A common form of biphasic or polyphasic sleep includes a nap, which is a short period of sleep, typically taken between the hours of 9 am and 9 pm as an adjunct to the usual nocturnal sleep period. Napping behavior during daytime hours is the simplest form of polyphasic sleep, especially when the naps are taken on a daily basis.
Sleep aids the process by which creativity forms associative elements into new combinations that are useful or meet some requirement. [50] This occurs in REM sleep rather than in NREM sleep. [ 51 ] [ 52 ] Rather than being due to memory processes, this has been attributed to changes during REM sleep in cholinergic and noradrenergic ...
A tourist in a sleeping bag. A sleeping bag is an insulated covering for a person, essentially a lightweight quilt that can be closed with a zipper or similar means to form a tube, which functions as lightweight, portable bedding in situations where a person is sleeping outdoors (e.g. when camping, hiking, hill walking or climbing).
In linguistics, conjugation (/ ˌ k ɒ n dʒ ʊ ˈ ɡ eɪ ʃ ən / [1] [2]) is the creation of derived forms of a verb from its principal parts by inflection (alteration of form according to rules of grammar). For instance, the verb break can be conjugated to form the words break, breaks, and broke.