When repeating a statement to emphasize it, the author may need to change its form. Otherwise, the author should follow the principle of parallel structure.
If several sentence components are similar in content and function, let them have similar expressions, which can achieve better reading effect. This is a parallel structure in English.
The principle of parallel structure requires similar expressions in content and function to be similar on the surface.
Example 1: In the past, science was taught by textbook method, but now it is taught by laboratory method.
Analysis: the first half of the sentence corresponds to the second half, but science is the front subject and laboratory method is the back subject; The subject of the second half sentence corresponds to the object of the first half sentence. The contrast effect is not very good. Here, we consider using parallel structures to make them have similar structures to enhance the contrast effect, as follows:
It is suggested to be revised as follows: In the past, science was taught by textbook; Now teach in the laboratory.
Is this a concise and powerful emotional expression? Before and after the sentence is similar, no conjunctions are needed, just semicolons.
Semicolon is very useful in English thesis writing. If we think that two sentences are related in meaning, but we don't want to use these conjunctions because we have already used and and other conjunctions, we can consider using semicolons.
When each word in a group of words is collocated with an article or preposition, the article or preposition either appears before the first word or before each word.
It's too awkward to say, just look at the example:
Example 2: Treatment group, model group and control group.
Analysis: not like the above. If there is this moment, but there is no such moment, it should be changed to the following:
It is suggested that the treatment group, model group and control group have ...
Or the treatment group, model group and control group have … (the first one takes care of the back)
Example 3: In spring, summer or winter
Analysis: The above is unacceptable. If there is in for a while and there is no in for a while, it should be changed to the following:
Suggested to be revised as: in spring, summer, or winter or in spring, summer, or winter).
Some words are often paired with prepositions. If multiple such words are used side by side, the preposition corresponding to each word cannot be omitted unless the preposition corresponding to these words is the same.
Look at the example directly:
Ex. 4: His speech was full of dissent and support for his opponent's position.
Analysis: agreement and with are collocated, and with cannot be omitted here, so it is changed as follows:
The suggestion was revised to: his speech was marked with the position of agreeing and Scorpion as his opponent.
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Common collocations such as "Du, He", "No, But", "Not only, but also", "Either-or", "First, Second and Third" should be connected by the same structure. Examples are as follows:
Ex. 5: This is not only a long commemoration, but also very dedicated.
Analysis: both is followed by a noun, and is followed by an adjective with the same part of speech.
It is suggested to amend it to: the ceremony is long and complicated.
Example 6: Now is not the time to talk, but the time to act.
Analysis: But symmetry is added later.
Now is not the time to say, but the time to act.
Ex. 7: You must agree to his request there, or you will offend him.
Analysis: After you put it in must, the sentence structure becomes clearer.
The suggestion is revised as follows: You should either agree to his request or accommodate his malice.
Example 8: My objection is, firstly, the fairness of this measure; Second, it is unconstitutional.
Analysis: first, nouns, followed by sentences, asymmetry.
The proposal is revised as follows: My objection is that, firstly, the measure is unfair; Second, it is unconstitutional.