[was, were] + Past Participle (was gone) is present perfect
[is, am, are] + Past Participle (are engaged) ??????? (Which tense is this?)
As U.S. nuclear attack submarines prowl their familiar haunts deep within the oceans of the world these days, they increasingly are engaged in missions far different from the tasks for which they were built and for which their crews were trained over the last forty years.
am, is, are + -ing Present continuous
was, were + -ing Past continuous
am, is, are + anything else Simple present
was, were + anything else Simple past
has, have + been + -ing Present perfect continuous
had + been + -ing Past perfect continuous
has, have + -en Present perfect
had + -en Past perfect
-ing is a symbolic way of indicating "present participle" (or "gerund" if you like that term better)
-en indicates "past participle" (even if the ending is something else like -ed)
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CalifJimSimple present. They all form a logical pattern. You are wrong about present perfect, by the way.CJ thanks a zillion. Trust me I didn't know that anything (except present participle) that follows is, am are or was, were is simple present and simple past respectively.
And thanks for the logical form. I am going to paste it on my desktop (as I previously did your other post about does-show, does-go rather than goes and shows - a typical mistake that I always make).
CalifJimam, is, are + anything else Simple presentwas, were + anything else Simple pastCould you explain what you mean by that? scratches head An example maybe? Because I'd have expected to find copula + adjective here. As in "I'm engaged."
are all "copula + ",
but at the same time they are present or past tense (I'm engaged, He was in the garage, We are here, They are tall).
you/we they are
The past simple of the verb BE:
People are waiting to help.
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