"Through this practical activity, our whole class is deeply educated." The language in this sentence is ill-chosen, the composition is incomplete, and there is a lack of subject. There are two ways to change it:

1. Through this practical activity, our whole class is deeply educated (the main body is us).

This practical activity has made our class deeply educated.

Extended data:

Common types of language barriers:

1. Improper use of words: synonyms, parts of speech, pronouns, quantifiers and idioms are useless.

2. Improper word order: improper word order of attributes, adverbials and function words.

3. Improper collocation: improper collocation of subject and verb, improper collocation of verb and object, improper collocation of subject and object, improper collocation of modifier and head, improper collocation of one side and two sides, improper collocation of negation and affirmation.

4. Incomplete components: lack of subject, object and predicate.

5. Structural confusion: mixed sentences, secretly changing subjects in sentences, unclear levels, improper punctuation and so on.

6. The meaning is unknown.