Grammar problem

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ENGLISHPROBLEM

2016-2-13 02:57 PM

S1. John [was] eaten by lions

S2. I [have] eaten my dinner

this 2 example is correct sentence

i always confused with grammar,why does the sentense1 use paste tense,but sentense 2 dont?

Saika4869

2016-2-13 03:34 PM

John was eaten by lions
Lions have eaten John
I have eaten my dinner
My dinner was eaten by me

crayonstamp

2016-2-13 04:28 PM

S1. John [was] eaten by lions
   First sentence，in my humble opinion, it means the event happened in past. The sentence 'John
   has been eaten by lions' indicates that it happened in past and still remains as a fact until now.

S2. I [have] eaten my dinner
   It means you mention that you have taken your meal at the point you spoke it out. Alternatively, 'I
   had eaten my dinner when the bus arrived' emphasis that you have finished your dinner before the
   arrival time of the bus.

czhi

2016-2-13 04:55 PM

S1 passive sentence
S2 active sentence

ENGLISHPROBLEM

2016-2-13 04:58 PM

thanks a lot

qwerty_ky

2016-2-14 02:36 PM

first sentence is past tense+passive, so use was/were+verb(past tense)
second sentence is present perfect tense+active, so use have/has+verb(past participle)

Dejavu-247

2017-3-9 07:02 PM

还有你的单数复数问题也很严重。

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