a letter for complaint

Grammar and spelling errors:
Line 8, column 99, Rule ID: PERSONAL_OPINION_FRIENDSHIP[1]
Message: Use simply 'opinion'.
Suggestion: opinion
...ustrations about the center, this is my personal opinion and I really want you to change and imp...
^^^^^^^^^^^^^^^^
Line 9, column 1, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: I'm
... you to change and improve the center. Im not happy about it, i think it has many...
^^
Line 9, column 24, Rule ID: I_LOWERCASE[2]
Message: Did you mean 'I'?
Suggestion: I
...ove the center. Im not happy about it, i think it has many problem because there...
^
Line 9, column 39, Rule ID: MANY_NN[1]
Message: Possible agreement error. The noun problem seems to be countable; consider using: 'many problems'.
Suggestion: many problems
... Im not happy about it, i think it has many problem because there are so many VietNamese te...
^^^^^^^^^^^^
Line 9, column 114, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , We
...any VietNamese teachers teaching English,We really need native speakers to be able ...
^^^
Line 9, column 350, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: doesn't
...ooks and casette tapes, every classroom doesnt have an air conditions, it uses fans in...
^^^^^^
Line 10, column 52, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
...to changes this, my phone ís 84 54125596 , call me when you needed. Yours faithfu...
^^

Transition Words or Phrases used:
but, really, so, i think

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 7.0 7.0 100% => OK
Auxiliary verbs: 1.0 1.00243902439 100% => OK
Conjunction : 7.0 6.8 103% => OK
Relative clauses : 1.0 3.15609756098 32% => OK
Pronoun: 23.0 5.60731707317 410% => Less pronouns wanted
Preposition: 11.0 33.7804878049 33% => More preposition wanted.
Nominalization: 2.0 3.97073170732 50% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 756.0 965.302439024 78% => OK
No of words: 159.0 196.424390244 81% => More content wanted.
Chars per words: 4.75471698113 4.92477711251 97% => OK
Fourth root words length: 3.55098862472 3.73543355544 95% => OK
Word Length SD: 2.69333271709 2.65546596893 101% => OK
Unique words: 119.0 106.607317073 112% => OK
Unique words percentage: 0.748427672956 0.547539520022 137% => OK
syllable_count: 217.8 283.868780488 77% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 8.0 1.53170731707 522% => Less pronouns wanted as sentence beginning.
Article: 2.0 4.33902439024 46% => OK
Subordination: 0.0 1.07073170732 0% => More adverbial clause wanted.
Conjunction: 2.0 0.482926829268 414% => Less conjunction wanted as sentence beginning.
Preposition: 0.0 3.36585365854 0% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 6.0 8.94146341463 67% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 26.0 22.4926829268 116% => OK
Sentence length SD: 87.8647951242 43.030603864 204% => The lengths of sentences changed so frequently.
Chars per sentence: 126.0 112.824112599 112% => OK
Words per sentence: 26.5 22.9334400587 116% => OK
Discourse Markers: 4.0 5.23603664747 76% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 7.0 1.69756097561 412% => Less language errors wanted.
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 3.0 1.13902439024 263% => Less negative sentences wanted.
Sentences with neutral sentiment: 0.0 4.09268292683 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.0824658790333 0.215688989381 38% => OK
Sentence topic coherence: 0.0269515573982 0.103423049105 26% => OK
Sentence topic coherence SD: 0.0392540564396 0.0843802449381 47% => Sentences are similar to each other.
Paragraph topic coherence: 0.06728892881 0.15604864568 43% => OK
Paragraph topic coherence SD: 0.0634033750733 0.0819641961636 77% => OK

Essay readability:
automated_readability_index: 14.2 13.2329268293 107% => OK
flesch_reading_ease: 62.01 61.2550243902 101% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 11.1 10.3012195122 108% => OK
coleman_liau_index: 10.57 11.4140731707 93% => OK
dale_chall_readability_score: 8.0 8.06136585366 99% => OK
difficult_words: 31.0 40.7170731707 76% => More difficult words wanted.
linsear_write_formula: 18.0 11.4329268293 157% => OK
gunning_fog: 12.4 10.9970731707 113% => OK
text_standard: 11.0 11.0658536585 99% => OK
What are above readability scores?

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Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 Out of 9
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.