This "marginal auxiliary" : used to is used in some peculiar way. It is explained through the following example:
___ Sarah used to sleep early last year. This sentence is negated in three plausible and correct cases in English grammar as:
1- Sarah did not use to sleep early.........
2- Sarah did not used to sleep early........
3- Sarah used not to sleep early............
Reference: Quirk and Greenbaum
Chat with our AI personalities
To get that type of expression into one with positive exponent, use this form: a-n = 1/(aⁿ) where a is nonzero. Then, y-10 = 1/(y10) by the form we use!
Negative 1 is an integer and not a fraction.
Negative space is the term that is used to refer to the unused area between within and surrounding a shape or form.
Negative space is the term that is used to refer to the unused area between within and surrounding a shape or form.
The symbol used for a negative is a minus Sign