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It is formed with the present tense of the auxiliary have (namely have or has) and the past participle of the main verb. 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 ...
The first of these sentences is a basic zero conditional with both clauses in the present tense. The fourth is an example of the use of will in a condition clause [4] (for more such cases, see below). The use of verb tenses, moods and aspects in the parts of such sentences follows general principles, as described in Uses of English verb forms.
Regular verbs have identical past tense and past participle forms in -ed, but there are 100 or so irregular English verbs with different forms (see list). The verbs have, do and say also have irregular third-person present tense forms (has, does /dʌz/, says /sɛz/).
The pronunciation of the past tense ending follows similar rules to those for the third person present tense ending described above: if the base form ends in /t/ or /d/ then a new syllable /ɪd/ or /əd/ is added (as in drifted, exceeded); if the base form ends in an unvoiced consonant sound other than /t/ then the ending is pronounced /t/ (as ...
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 other inflected parts of the verb – the third person singular present indicative in -[e]s, and the present participle and gerund form in -ing – are formed regularly in most cases. There are a few exceptions: the verb be has irregular forms throughout the present tense; the verbs have , do , and say have irregular -[e]s forms; and ...
THE COUNTDOWN: From the improbable phenomenon ‘Baby Reindeer’ to the comfort of ‘Gogglebox’ and the smart, sexy and slick ‘Mr & Mrs Smith’, here are the top 20 releases from the past ...
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 ...