[Grammar] Have frazzled vs. had frazzled vs. frazzled

[Tarheel]

Two things. Say:

Can I substitute "appears" FOR "appeared"?

Also, it would have to be one of the campaign organizations that was allegedly frazzled.

 

[Charlie Bernstein]

Thank you for corrections but you changed my original question :-D

See the following text:



Is the above text grammatical?

Again, no. Try:

Instead of electrifying the organisation, California’s 7 June primary, a final and potentially decisive showdown between Trump and his GOP rivals Ted Cruz and John Kasich, appears to have frazzled it.