Search results
Results from the WOW.Com Content Network
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 ...
The present perfect may also be used with future reference, instead of the future perfect, in those dependent clauses where future occurrence is denoted by present tense (see § Dependent clauses below). For example: When you have written it, show it to me. For the possibility of a present perfect subjunctive, see English subjunctive.
The present continuous tense has a very predictable conjugation pattern even for verbs that are typically irregular, such as essere ("to be") and avere ("to have"). For verbs with reduced infinitives, the gerund uses the same stem as the imperfect (which sometimes corresponds to the stem of the 1st person singular indicative present).
To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{R to anchor}} instead.
A number of multi-word constructions exist to express the combinations of present tense with the basic form of the present tense is called the simple present; there are also constructions known as the present progressive (or present continuous) (e.g. am writing), the present perfect (e.g. have written), and the present perfect progressive (e.g ...
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]
Traditionally, journal clubs have met weekly or monthly to discuss current research in a topic relevant to the field. An analysis of one hundred publications describing and evaluating journal clubs found that they are most effective if they have a clearly identified leader and have an established purpose that all articles can be linked to.