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English also has a present perfect continuous (or present perfect progressive) form, which combines present tense with both perfect aspect and continuous (progressive) aspect: "I have been eating". The action is not necessarily complete; and the same is true of certain uses of the basic present perfect when the verb expresses a state or a ...
The perfect can also be combined with another aspect [21] that is marked in English – the progressive (or continuous) aspect. In perfect progressive (or perfect continuous) constructions, the perfect auxiliary (a form of have) is followed by the past participle been (from be, the auxiliary of the progressive aspect), which in turn is followed ...
In linguistics, aspect is a grammatical category that expresses how a verbal action, event, or state, extends over time. For instance, perfective aspect is used in referring to an event conceived as bounded and unitary, without reference to any flow of time during the event ("I helped him").
The choice of present perfect or past tense depends on the frame of reference (period or point in time) in which the event is conceived as occurring. If the frame of reference extends to the present time, the present perfect is used. For example: I have written a letter this morning. (if it is still the morning) He has produced ten plays.
For example, the noun aerobics has given rise to the adjective aerobicized. [3] Words combine to form phrases. A phrase typically serves the same function as a word from some particular word class. [3] For example, my very good friend Peter is a phrase that can be used in a sentence as if it were a noun, and is therefore called a noun phrase.
The terms perfective and perfect should not be confused. A perfect tense (abbreviated PERF or PRF) is a grammatical form used to describe a past event with present relevance, or a present state resulting from a past situation. For example, "I have put it on the table" implies both that I put the object on the table and that it is still there ...
taiyou-wa sun- TOP higashi-kara east-from nobo-ru rise- IPFV taiyou-wa higashi-kara nobo-ru sun-TOP east-from rise-IPFV "the sun rises in the east" whereas the ga (subject) particle would force an episodic reading. English English has no means of morphologically distinguishing a gnomic aspect; however, a generic reference is generally understood to convey an equivalent meaning. Use of the ...
Here the main clause is in the indicative or imperative, and the 'if'-clause follows the sequence of tenses rule, with present or perfect subjunctive for an imaginary present situation, and imperfect or pluperfect for an imaginary past one: nōlī timēre quasi assem elephantō dēs (Quintilian) [310]