Blog about English
Avoiding repetition by omitting or replacing words.
Ellipsis omits words that can be understood from the context, while substitution replaces repeated material with another word or expression.
Both devices help English avoid unnecessary repetition and are especially common in connected speech and writing.
A repeated subject can sometimes be omitted when coordinated clauses clearly share the same subject.
For example, She opened the door and walked inside omits the repeated subject she before walked.
Parts of a repeated predicate can be omitted when the missing material is recoverable from the context.
For example, John likes coffee and Mary tea can omit likes before tea in suitably formal contexts.
An entire verb phrase can sometimes be omitted when it can be understood from a previous or contrasting clause.
For example, I can swim and my brother can too omits swim after can.
An auxiliary can remain while the following lexical verb phrase is omitted because it is understood from context.
For example, She has finished the report and I think John has too.
A modal can be followed by omitted material when the intended verb phrase is clear from the context.
For example, I can help you if you want me to, where help is omitted after to.
Do so can substitute for a previously mentioned verb phrase, especially in formal or written English.
For example, He promised to help and he did so immediately.
Do it and do that can substitute for an action or situation when the context identifies what is meant.
For example, She told him to stop, and he did it immediately is possible when the action has been clearly identified.
One can substitute for a singular countable noun that has already been mentioned or is understood.
For example, I need a pen. Do you have one?
Ones can substitute for plural countable nouns.
For example, I prefer the red shoes to the black ones.
One and ones can be used after adjectives to avoid repeating a countable noun.
For example, I need a larger one and Which shoes do you prefer, the black ones or the brown ones?
One is not normally used to replace an uncountable noun or a noun that is functioning only as an abstract concept.
For example, I need some water, not I need a one. Use another expression such as some or more when appropriate.
Some can substitute for an unspecified amount or number of something when the noun is understood from context.
For example, Do you have any coffee? Yes, I have some.
Any can substitute for an unspecified amount or number in questions, negatives, and certain conditional contexts.
For example, I do not have any and Do you need any?
So can substitute for a previously expressed statement or proposition after certain verbs and expressions.
For example, I think so means I think that the previous proposition is true.
Not can substitute for a negative clause after certain verbs and expressions.
For example, I hope not means I hope that the previously mentioned proposition is not true.
Think so is used to confirm or tentatively support a previously mentioned proposition without repeating the entire clause.
For example, Is John coming? I think so.
Hope so expresses a positive expectation about a previously mentioned proposition without repeating it.
For example, Will they arrive on time? I hope so.
Hope not expresses a negative expectation about a previously mentioned proposition.
For example, Is it going to rain? I hope not.
So and neither can substitute for a positive or negative proposition when expressing agreement with a previous statement.
For example, I love this song. So do I. I do not like it. Neither do I.
Neither and nor can introduce agreement with a negative statement and require the appropriate auxiliary before the subject.
For example, She cannot swim, and neither can I.
Either can appear at the end of a negative clause to express agreement with a previous negative statement.
For example, I do not like the film either.
Do so explicitly substitutes for an earlier verb phrase, while auxiliary do can sometimes perform the same function more concisely.
For example, He said he would call and he did so is more explicit than He said he would call and he did.
English can omit or replace repeated material in comparative structures when the intended meaning is clear.
For example, She works harder than I do, where do substitutes for the repeated verb phrase.
Comparative clauses often omit repeated words that are recoverable from the first clause.
For example, John is taller than Mary is and John is taller than Mary are both possible, depending on style and context.
Repeated constituents can be omitted from coordinated clauses when the remaining structure is clear.
For example, John ordered coffee and Mary tea omits ordered from the second clause.
Short answers commonly omit information that is already obvious from the question.
For example, Who called? John did. Are they coming? I think so.
Conversational English frequently omits words that can be understood from the immediate context.
For example, Coming with us? can function as an abbreviated question meaning Are you coming with us?
Formal writing also uses ellipsis when omitted material is recoverable and the structure remains clear.
For example, The first experiment was successful; the second, less so.
Words should be omitted only when the missing material can be recovered without significant ambiguity.
Overly aggressive ellipsis can make a sentence difficult to interpret or force the reader to reconstruct too much information.
Ellipsis works best when the omitted structures are parallel to material already expressed.
For example, Some students studied in the library, and others in the classroom omits studied but preserves the parallel structure.
Another can replace a singular countable noun or refer to an additional item of the same type.
For example, This chair is uncomfortable. Can I have another?
Others and the others can replace plural nouns when the intended group is recoverable from context.
For example, Some students stayed while others left and I spoke to the others later.
Be can remain while repeated complements or other material are omitted when the meaning remains recoverable.
For example, John is tired, and Mary is too.
Omit or replace repeated material only when the missing meaning remains clear and the resulting structure is grammatical.
Common mistakes include omitting necessary subjects or verbs, using one with uncountable nouns, confusing so with too, and creating ambiguous ellipsis.