Thread: None of them / None of which????

1. None of them / None of which????

i don't know how to use none of them and none of which.....

what is the difference between them????

for example.

The Consumer Council has tested 300 types of hair-dryers, none of _____ passed the safety tests.

the ans is none of them...

i don't know why none of which is incorrect...

Can anyone teach me clearly????

Much obliged!!!

2. Re: None of them / None of which????

The two possible forms are:

1. The Consumer Council has tested 300 types of hair-dryers, none of which passed the safety tests.

When, in a sentence, you add further information to what you have just written, we can use a non-defining clause beginning with a preposition,

So:"..300 types of hair-dryers, none of which passed the safety tests.
or "300 types of hair-dryers, of which none passed the safety tests.
"The young remain in the pouch for 7 weeks, by which time they have grown..."
In your sentence, 'which' is a relative pronoun referring directly back to "300 types of hair-dryers"

2. The Consumer Council has tested 300 types of hair-dryers, and none of them passed the safety tests.

Here, the 'additional information' is given in a linking clause beginning with 'and'. We could have written:
"The Consumer Council has tested 300 types of hair-dryers, and none/not one passed the safety tests."

To use 'none of them' without the linking conjuction 'and', we would have to write:
The Consumer Council has tested 300 types of hair-dryers, none of them passing the safety tests.

Check that in typing your full sentence above, you did not omit the 'and'.
Otherwise, I also cannot understand why the 'preferred' answer is 'none of them'.

b

4. Re: None of them / None of which????

Originally Posted by BobK

b
SORRY!!!!!

the correct ans is none of which-.-

5. Re: None of them / None of which????

i don't know why :

-The Consumer Council has tested 300 types of hair-dryers, and none of them passed the safety tests.

-The Consumer Council has tested 300 types of hair-dryers, none of them passing the safety tests.

i don't know why " and ,passed " using at the same time..
but using passing after omiting "and"

Push!!!

7. Re: None of them / None of which????

Originally Posted by anthony_ball
i don't know why :

-The Consumer Council has tested 300 types of hair-dryers, and none of them passed the safety tests.

-The Consumer Council has tested 300 types of hair-dryers, none of them passing the safety tests.

i don't know why " and ,passed " using at the same time..
but using passing after omiting "and"
The first is in effect two sentences: 'The CC has....' 'None of them passed...' If you want to join them (as 'co-ordinate clauses'), you need to use ", and". The ", and" gives the sign [Here comes another finite verb]. Read more here: Finite verb - Wikipedia, the free encyclopedia

The second is one sentence ('The CC has...), with a subordinate clause giving extra information about the tests in question. The participle 'passing' is not a finite verb, so ", and" would give the wrong message.

b

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