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The present progressive or present continuous form combines present tense with progressive aspect. It thus refers to an action or event conceived of as having limited duration, taking place at the present time. It consists of a form of the simple present of be together with the present participle of the main verb and the ending -ing.
Animation of the 1-2-4-5-3 firing order MAN B&W 5S50MC 1,865 litre marine diesel engine. Straight-five engines are typically shorter than straight-six engines, making them easier to fit transversely in an engine bay. [1] They are also smoother than straight-four engines, [1] and are narrower than V engines [2] and flat engines.
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] I am working. You are working. She ...
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 ...
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).
270° crankshaft: This configuration minimises secondary imbalances; however, a primary-rotating-plane imbalance is present and the firing order is uneven. The exhaust note and power delivery resemble those of a 90° V-twin engine. Straight-three engines most commonly use a 120° crankshaft design and have the following characteristics:
The progressive present is a grammatical tense that is used only if an action is actually in progress at the time. For example, in Spanish , "estoy leyendo" means "I am reading (right now)." It is formed by using the present indicative of estar plus the present participle of the verb.
The progressive in English-based Atlantic Creoles often uses de (from English "be"). Jamaican Creole uses a (from English "are") or de for the present progressive and a combination of the past time marker (did, behn, ehn or wehn) and the progressive marker (a or de) for the past progressive (e.g. did a or wehn de).