Is the following sentence linguistically acceptable?
The sing loved peanut butter cookies.

unacceptable

Is the following sentence linguistically acceptable?
This book is easy to read.

acceptable

Is the following sentence linguistically acceptable?
That that for Herschel to throw a fit would confuse the guards was obvious is not true.

acceptable

Is the following sentence linguistically acceptable?
Alexandra wants to catch a fish and Sylvia does too.
acceptable