Grammar-Quizzes.com

He's a master at building gingerbread houses. In fact, he's a teacher at the Culinary Academy.

He's a master at building gingerbread houses. He even teaches his art at the Culinary Academy.  (a surprising, exceptional activity)

He made it fairly quickly.  In fact, he did most of it in just one day.

He makes one in one day.  Even he works long hours to get one done.  (It may be surprising that a master requires as much time as everyone else.)

He loves to work by himself. In fact, he has been doing his own marketing.

He loves to work by himself.  He has even been doing his own marketing.   (an exceptional occurence)

He added a chimney!  He did, indeed. 
 

He added several details – even a chimney.  (an unexpected addition)
 

Even Jane can make a cake.  (Other people can.  Surprisingly, Jane can too.)

Jane can even decorate a cake. (an unexpected ability)

Jane can make even a wedding cake.  (a surprising project)

Jane is a manager and a pastry chef. She is even a mother of four children. (an unexpected "hat")

Jane can make a wedding cake even in a toaster oven.  (an unexpected piece of equipment)

Jane can make a wedding cake in even a small toaster oven.  (an unexpected size)

We paid $5 per gallon.  Indeed, we paid too much!
We paid $5 per gallon. In fact, we paid too much.
*We paid $5 per gallon.  Even he paid too much.

We did indeed pay too much.
We did in fact pay too much.
*We did even pay too much. Even we paid too much./ We even paid too much.

Gas is indeed more expensive than before.
Gas is in fact more expensive than before.
Gas is even more expensive than before.

We paid five dollars per gallon!  Even four dollars is unreasonable.
He wouldn't stop at a gas station that sells gas for $5 dollars. Even I wouldn't.

Five dollars, even four, is too much to pay for a gallon of gas.
We paid a lot, even more than usual.

*He even works though he is retired. 

He works even though he is retired. (emphasis - unexpected outcome)
He is still working (even) though he is retired. (emphasis - ongoing, extended activity)
He has worked all his life, even in retirement years. (emphasis - exceptional occurrence)
 

EVEN

Adverb.  emphasis:  unexpected, surprising  (LDOCE even)

"Even" does not appear in UUEG.

Focusing adverb. "concession"  (CaGEL 734, 8 §13.1)  (PEU 189, 24.6)

Circumstance Adverbial. Additive/Restrictive (LGSWE 798)

Focusing subjuncts. (CoGEL 8.116)

INDEED

Sentence adverb. 1. used to emphasize a statement or answer; 2. used to introduce an additional statement that emphasizes or supports what you have just said

Adverb 3. used with 'very' and an adjective or adverb to emphasize a statement or description; 4. used to show that you are surprised or annoyed by something that someone has just told you  (LDOCE indeed)

"Indeed" does not appear in UUEG.

Degree Adverb. (quite, indeed, rather)  (CaGEL et al. 6 §7.2.31)  (PEU 273)

Stance Adverb. (LGSWE 562)

Content Disjunct. Degree of Truth: conviction (CoGEL 8.127)
Adverb. Emphasizer  (CoGEL 7.57)

EVEN THOUGH

Adverb Clause of Contrast with even though express unexpected result. (UUEG et al.  17-4)  Similarly, contrast connectives though and although introduce  an adverb clause

Adjuncts of concession. (though, although, even though, despite, nevertheless, still, yet, whereas, while, etc.)    (CaGEL 8 §13.3)

Adverb + Conjunction.   (PEU 24.6, 189.4, 49.1)

Circumstance Adverbial. Clause of Concession (though, although, even though, while) (LGSWE 824, 842)

Adverbial Clause.Concession (though, nevertheless, still) (CoGEL 15.39-40)

EVEN IF

Adverb Clause of Condition with (even if, whether or not) express the idea that neither this nor that matters; the result will be the same.   (UUEG   7-8.b) 

Conditional adjunct. (even if) (CaGEL et al. 8 14.1.3)

Adverb + Conjunction. (even if, even though; if) (PEU 189.4, 256)

Correlative Subordinator (LGSWE 2.4.8.2)

Circumstance Adverbial.Clause of Condition (if, although, as) (LGSWE 10.2.8.4)

Adverbial Clause. Condition  (CoGEL 15.30)
Alternative conditional-concessive clauses (CoGEL 15.39,15.41-2)