The two pie charts show the main sources of energy in the usa in the 1980s and the 1990s.

Grammar and spelling errors:
Line 1, column 132, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: The
...e U S A in the given years 1980 to 1990.The data is caliborated in percentum. It...
^^^
Line 3, column 15, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , that
...iborated in percentum. It can be seen,that the charts information about main sourc...
^^^^^
Line 3, column 25, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'charts'' or 'chart's'?
Suggestion: charts'; chart's
...n percentum. It can be seen,that the charts information about main sources of energ...
^^^^^^
Line 3, column 82, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: In
...n about main sources of energy in U S A.In 1980,start with oil 42% in contrast,in ...
^^
Line 3, column 120, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , in
...A.In 1980,start with oil 42% in contrast,in 1990 was oil decreased 33%.In addition ...
^^^
Line 3, column 151, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: In
... contrast,in 1990 was oil decreased 33%.In addition to this,the natural gas source...
^^
Line 3, column 170, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , the
...as oil decreased 33%.In addition to this,the natural gas source was26% in 1980 not o...
^^^^
Line 3, column 264, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: Moreover
...so in 1990 was declined natural gas 25%.Moreover,in 1980 was 22% coal source Although,wa...
^^^^^^^^
Line 3, column 272, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , in
...90 was declined natural gas 25%.Moreover,in 1980 was 22% coal source Although,was s...
^^^
Line 3, column 309, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , was
...ver,in 1980 was 22% coal source Although,was suddenly boost coal source 5% in 1990. ...
^^^^
Line 3, column 323, Rule ID: BEEN_PART_AGREEMENT[2]
Message: Consider using a past participle here: 'boosted'.
Suggestion: boosted
...s 22% coal source Although,was suddenly boost coal source 5% in 1990. As fas as tr...
^^^^^
Line 5, column 112, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: A
...while it was similar percentage in 1990.A part from all this nuclear gas was 5 % ...
^
Line 5, column 181, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , it
...gas was 5 % used in 1980 but in contrary,it was steeply surge 5% in 1990.Futhetmore...
^^^
Line 5, column 197, Rule ID: BEEN_PART_AGREEMENT[2]
Message: Consider using a past participle here: 'surged'.
Suggestion: surged
... in 1980 but in contrary,it was steeply surge 5% in 1990.Futhetmore one live with res...
^^^^^
Line 5, column 214, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: Futhetmore
...ontrary,it was steeply surge 5% in 1990.Futhetmore one live with respectively. overall,...
^^^^^^^^^^
Line 7, column 1, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: Overall
...thetmore one live with respectively. overall,it is eveident that the highest percent...
^^^^^^^
Line 7, column 8, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , it
...e one live with respectively. overall,it is eveident that the highest percentage...
^^^

Transition Words or Phrases used:
also, but, moreover, so, whereas, while, in addition, in contrast

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

Performance on Part of Speech:
To be verbs : 13.0 7.0 186% => OK
Auxiliary verbs: 1.0 1.00243902439 100% => OK
Conjunction : 2.0 6.8 29% => More conjunction wanted.
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 8.0 5.60731707317 143% => Less pronouns wanted
Preposition: 29.0 33.7804878049 86% => OK
Nominalization: 3.0 3.97073170732 76% => OK

Performance on vocabulary words:
No of characters: 778.0 965.302439024 81% => OK
No of words: 157.0 196.424390244 80% => More content wanted.
Chars per words: 4.95541401274 4.92477711251 101% => OK
Fourth root words length: 3.53976893118 3.73543355544 95% => OK
Word Length SD: 3.05199822381 2.65546596893 115% => OK
Unique words: 91.0 106.607317073 85% => More unique words wanted.
Unique words percentage: 0.579617834395 0.547539520022 106% => OK
syllable_count: 220.5 283.868780488 78% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 1.53170731707 261% => Less pronouns wanted as sentence beginning.
Article: 4.0 4.33902439024 92% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 4.0 3.36585365854 119% => OK

Performance on sentences:
How many sentences: 4.0 8.94146341463 45% => 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: 39.0 22.4926829268 173% => The Avg. Sentence Length is relatively long.
Sentence length SD: 80.0765258987 43.030603864 186% => OK
Chars per sentence: 194.5 112.824112599 172% => OK
Words per sentence: 39.25 22.9334400587 171% => OK
Discourse Markers: 16.25 5.23603664747 310% => Less transition words/phrases wanted.
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 17.0 1.69756097561 1001% => Less language errors wanted.
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 1.0 4.09268292683 24% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.118534952732 0.215688989381 55% => OK
Sentence topic coherence: 0.0830940266627 0.103423049105 80% => OK
Sentence topic coherence SD: 0.0680468437061 0.0843802449381 81% => OK
Paragraph topic coherence: 0.0830940266627 0.15604864568 53% => OK
Paragraph topic coherence SD: 0.0680468437061 0.0819641961636 83% => OK

Essay readability:
automated_readability_index: 21.6 13.2329268293 163% => OK
flesch_reading_ease: 48.81 61.2550243902 80% => OK
smog_index: 11.2 6.51609756098 172% => OK
flesch_kincaid_grade: 16.1 10.3012195122 156% => OK
coleman_liau_index: 12.08 11.4140731707 106% => OK
dale_chall_readability_score: 8.89 8.06136585366 110% => OK
difficult_words: 33.0 40.7170731707 81% => More difficult words wanted.
linsear_write_formula: 18.5 11.4329268293 162% => OK
gunning_fog: 17.6 10.9970731707 160% => OK
text_standard: 22.0 11.0658536585 199% => OK
What are above readability scores?

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Rates: 73.0337078652 out of 100
Scores by essay e-grader: 6.5 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.