Classification of Japanese sentences

I. Classification of Japanese sentences
Japanese sentences are classified into four and only four types according to the part of speech of the predicate.

A. Sentences ending in a verb (Introduced in Lesson 1)

Examples
1. Ja,kore o kudasai.
"Then,I'll take this."
2. Esukareetaa no tonari ni kaban'uriba ga arimasu.
"There is a bag department next to the escalator."
3. Aoi no wa gozaimasen.
"We don't have a blue one."
4. Asoko no annaigakari de kikimashoo ka.
"Shall we ask at the information desk over there?"
5. Saizu o machigaemashita.
"I bought the wrong size."

B. Sentences ending in a noun { desu (Introduced in Lesson 2)

Examples
1. Gosenmon wa nan desu ka.
"What is your major?"
2. Ano kutsu wa 9,800 en desu.
"That pair of shoes is 9,800 yen."
3. Saizu wa emu ja arimasen.
"The size is not medium."
4. Ruin san wa Birumajin desu.
"Mr. Lwin is a Burmese."
5. Kaarin san wa Nagoya daigaku no gakusee desu.
"Karin san is a student at Nagoya University."

C. Sentences ending in - i adjective (Introduced in Lesson 3)

Examples
1. Watashi no wa akaku arimasen.
"Mine isn't red."
2. Sukoshi takai desu ne.
"It's a little too expensive, isn't it?"
3. Kono sandaru wa yoku arimasen.
"This pair of sandals isn't good."
4. Atama ga itakatta desu.
"I had a headache."
5. Mainichi isogashii desu.
"Someone* is busy everyday."
(*"Someone" may be the speaker.
D. Sentences ending in -na adjective (Introduced in Lesson 3)

Examples
1. Nihongo no koosu wa taihen desu.
"The Japanese Course is tough."
2. Sore wa shitsuree desu.
"That's rude."
3. Arisu san wa genki desu.
"Alice san is fine."
4. Hidari no me wa daijoobu desu.
"The left eye is all right."
5. Ogenki desu ka.
"How are you?"