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Bmojtaba Posted 11 years ago
Grammar

Conditional sentences

What is the difference between the following sentences?

E.g
'It can make it difficult for him to do if left untreated'
'It can make it difficult for him to do if leave untreated'

Thanks
  

Top answer

bmojtaba if left untreated Correct for "if it is left untreated", where "it" is some medical condition that requires treatment. bmojtaba if leave untreated Ungrammatical. It has no meaning.

— CalifJim

  • bmojtaba if left untreated Correct for "if it is left untreated", where "it" is some medical condition that requires treatment.
  • bmojtaba if leave untreated Ungrammatical.
  • It has no meaning.
  • CJ
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7 Answers
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bmojtaba if left untreated
Correct for "if it is left untreated", where "it" is some medical condition that requires treatment.
bmojtabaif leave untreated
Ungrammatical. It has no meaning.

CJ
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CalifJimCorrect for "if it is left untreated", where "it" is some medical condition that requires treatment.
What about this one?

E.g 'Although it is easy to cure, chlamydia can make it difficult for a woman to get pregnant if left untreated'

I have seen sentences like that( if + p.p)before for instance ' .....if stolen/lost '.

Is
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bmojtabaWhat about this one?E.g 'Although it is easy to cure, chlamydia can make it difficult for a woman to get pregnant if left untreated'
Fine. It's the same as the other one. "if left untreated". Fine. (if it is left untreated)
bmojtabaI have seen sentences like that( if + p.p)before for instance ' .....if stolen/lost '.Is there
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I am not sure if i am following you or not, as you know non-progressive passive form is like(subject+be+p.p) so (if+p.p) is not a regular form of non-progressive passive .
CalifJimbut that is its grammar. It's not this instead of "having a grammar".
what do mean by ' that is its grammar'?
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bmojtabawhat do mean by ' that is its grammar'?
Maybe you should go first. You asked "Is there any grammar for this kind of structure?" Maybe I misunderstood what you meant. What did you mean by that?

CJ
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CalifJimWhat did you mean by that?
Actually You totally got my point ,I was asking to know if there was any grammatical structure related to (if+p.p) ,since to my knowledge it must be (if+subject+be+p.p) that's the whole point.
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bmojtabaI was asking to know if there was any grammatical structure related to (if+p.p)
OK. Yes, there is.
bmojtabato my knowledge it must be (if+subject+be+p.p)
You got it. That's it. That's what I meant when I said 'that is the grammar'.

CJ
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