There seem to have been no eye-witnesses to the murder, ...?

[Volcano1985]

There seem to have been no eye-witnesses to the murder, ---- ?

A) do there
B) don't there
C) have there
D) haven't there
E) is it
F) isn't it
G) were there
H) weren't there
I) are there
j) aren't there

What is the correct answer and can u explain why ?

[Mister Micawber]

.
So many choices, so little time. I said 'were there?' when I tried it on myself.
.
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[Ralf]

Hi Volcano,

As a rule of thumb, you should look for the first verb in a statement to use in the question tag. In your example it's 'seem' followed by the present perfect, that makes it tricky. I'd go with 'have there'.

There seem to be no eye-witnesses, are there?

There aren't any witnesses, are there?

There weren't/were no witnesses, were there?

There don't seem to be any witnesses, do there/are there?
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[Molly]

There seem to have been no eye-witnesses to the murder, right/eh?

And why "seem" and not "seems"?