Integrated Essay writing Rembrandt Painting

The professor in the lecture is totally agree with the passage
The professor in the lecture totally agrees with the passage

the woman in the painting wore the fur collar is true
the woman in the painting who wore the fur collar is true

So it is suggested that the originally the painting was made by Rembrandt and then it was modified by someone.
So it is suggested that the original painting was made by Rembrandt and then it was modified by someone.

Rembrandt have the good knowledge of the light reflection and color
Rembrandt had the good knowledge of the light reflection and color

The fur color modification done in the painting
The fur color modification is done in the painting

Sentence: This hide the originality of the painting.
Description: The fragment This hide the is rare
Suggestion: Possible agreement error: Replace hide with verb, present tense, 3rd person singular

and the size of the painting it was altered by someone.
and the size of the painting was altered by someone.

flaws:
No. of Grammatical Errors: 7 2
Avg. Sentence Length: 15.929 21.0

Read a good grammar book.

Attribute Value Ideal
Score: 16 in 30
Category: Satisfactory Excellent
No. of Grammatical Errors: 7 2
No. of Spelling Errors: 0 2
No. of Sentences: 14 12
No. of Words: 223 250
No. of Characters: 1105 1200
No. of Different Words: 102 150
Fourth Root of Number of Words: 3.864 4.2
Average Word Length: 4.955 4.6
Word Length SD: 2.702 2.4
No. of Words greater than 5 chars: 74 80
No. of Words greater than 6 chars: 67 60
No. of Words greater than 7 chars: 49 40
No. of Words greater than 8 chars: 23 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 15.929 21.0
Sentence Length SD: 6.995 7.5
Use of Discourse Markers (%): 0.571 0.12
Sentence-Text Coherence: 0.405 0.35
Sentence-Para Coherence: 0.639 0.50
Sentence-Sentence Coherence: 0.118 0.07
Number of Paragraphs: 5 4

if I correct all these mistake then how much mark I will get.