Please know how to evaluate these four pairs of calligraphy and how to grade the basic skills. Thank you (main comparisons 2, 3 and 4)

1, primary level, 60 points.

2, imitation hair, with a certain skill, but the words are boneless, the writing is unnatural, and the structure of the words is unreasonable. 70 points.

3, cursive script, profound foundation, excellent brushwork, smooth and natural, impeccable composition. 100 integral.

4. The style of writing is good, the structure is reasonable, and the brushwork needs to be improved, 80 points.