Grammatically Correct: The writer's essential guide to punctuation ...

GRAMMAR
Dangling modifiers occur when a sentence consists of a phrase
that says something about a following clause-but the subject of
that clause is not what it is supposed to be. (See "Basic Sentence
Structure" on page 55 for definitions of these terms.) For example:
Just two years after finishing graduate school, Gladys's career took off.
Presumably it was Gladys who finished grad school, but she makes
no direct appearance in the sentence. Grammatically, what is being
said here is that Gladys's career finished grad school and then took
off (what did it do-leave her for another woman?). The problem
can be remedied by rephrasing either the phrase or the clause.
Just two years after Gladys finished graduate school, her career took off.
Just two years after finishing graduate school, Gladys saw her career
take off.
MISPLACED MODIFIERS
Like a dangling modifier, a misplaced modifier acts on something
other than what the writer intended. In this case the problem is not
that the wrong entity is functioning as the subject of the sentence,
but that the modifier is in the wrong position relative to what it
should be affecting. (Whenever possible, the two elements should
lie right next to each other.) For example:
We put out an appeal for more volunteers to help with the fall program
at last week's meeting.
Presumably what took place at last week's meeting was an appeal
for help with the fall program, but the positioning of the modifier
makes it sound as if the fall program itself was held at the meeting.
The problem can be remedied by moving the modifying phrase.
At last week's meeting, we put out an appeal for more volunteers to
help with the fall program.
SQUINTING MODIFIERS
In some cases the placement of a modifier is not so much wrong as
ambiguous, in that it could apply to either the element that precedes
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