Hm, I suspected something like that. Seems weird to the logical part of my brain though.Oh right, sorry.
Well, what I said applies to Tatu's sentence too. Since he was talking about a phrase, it's still singular.
"Thank you" is two words. is correct.
If, on the other hand, you were talking about the words rather than the phrase, you'd have to say
"Thank" and "you" are two words.
Interesting. INo we don't, sorry
There is a lot of dogs. is grammatically incorrect.
There are a lot of dogs. is correct.
However, you might hear someone say
There's a lot of dogs.