Wh-Question And Yes/No Question
A question which uses a WH-word (e.g. when, what, why, which, where, who and how) and which expects an answer other than yes or no.
•Where is John?
•What are you doing?
•Why are you crying?
A question which expects yes or no as an answer.
•Are you coming with us?
•Is she ready?
•Has John come yet?
In English, a yes-no question differs from its corresponding statement only in word order. For example, the statement She is coming with us has the corresponding yes-no question Is she coming with us?, in which the auxiliary is is moved to the beginning of the sentence.
Change is used with a plural object when we talk about changing one thing for another.
I have just changed jobs.
Will I have to change trains?
You must change the batteries regularly.
Could you change the sheets in the guest room?
A noun which is derived from a verb.
A verbal noun exhibits all the ordinary properties of nouns and none of the properties of verbs.
In English, verbal nouns are constructed with a variety of suffixes: arrive (verb)/arrival (noun), decide (verb)/decision (noun), destroy (verb)/destruction (noun), fly (verb)/flight (noun).
•I am looking for a flight to Tokyo.
•Her decision to quit the job startled us.
It is possible for a verbal noun to be identical in form to its source verb, as in return (verb)/return (noun) and attack/attack.
It is also possible for a verbal noun to be formed with the suffix –ing.