If a child is deprived of linguistic environment， he or she is unlikely to learn a language successfully later on.

Language reflects sexism in society. Language itself is not sexist， just as it is not obscene; but it can connote sexist attitudes as well as attitudes about social taboos or racism.

The division of English into Old English， Middle English， and Modern English is nonconventional and not arbitrary.

An important difference between presupposition and entailment is that presupposition，unlike entailment，is not vulnerable to negation. That is to say, if a sentence is negated, the original presupposition is still true.

Linguistic forms having the same sense may have different references in different situations while linguistic forms with the same reference always have the same sense.

“The student” in the sentence “The student liked the linguistic lecture.”，and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.”belong to the same syntactic category.

A compound is the combination of only two words.

In English， long vowels are also tense vowels because when we pronounce a long vowel such as/i：/，the larynx is in a state of tension.

In the history of any language the writing system always came into being before the spoken form.

In order to acquire a second language， learners will subconsciously use their first language knowledge in learning a second language. This is know as language t（）.