Singular is a drug used for controlling asthma and allergies. It was initially approved and prescribed primarily to treat asthma. The FDA approved it as an allergy treatment after research supported that it was an effective treatment.
http://answers.ask.com/Health/Pharmacy/what_is_singular
The basic rule states that a singular subject takes a singular verb while a plural subject takes a plural verb. ... Rule 1. Two singular subjects connected by or or nor require a singular verb.
www.grammarbook.com/grammar/subjectVerbAgree.asp www.grammarbook.com/grammar/subjectVerbAgree.asp
Free on-line English lessons - grammar practice. ... A verb must "agree" with its subject. Subject-verb agreement generally means that the third person singular verb form must be used with a third person subject in the simple present tense.
eslus.com/LESSONS/GRAMMAR/POS/pos3.htm
None of the students have done their homework. (In this last example, the word their precludes the use of the singular verb. ... If your sentence compounds a positive and a negative subject and one is plural, the other singular, the verb should agree with the positive subject.
grammar.ccc.commnet.edu/grammar/sv_agr.htm
2. When two or more singular nouns or pronouns are connected by or or nor, use a singular verb. ... Note: the word dollars is a special case. When talking about an amount of money, it requires a singular verb, but when referring to the dollars themselves, a plural verb is required.
owl.english.purdue.edu/handouts/esl/eslsubverb.html owl.english.purdue.edu/handouts/esl/eslsubverb.html
www.mip.sdu.dk/~jperram/English2001/sld037.htm
The subject and verb must agree in number: both must be singular, or both must be plural. ... Problems occur in the present tense because one must add an -s or -es at the end of the verb when the subjects or the entity performing the action is a singular third person: he, she, it, or words for which these pronouns...
leo.stcloudstate.edu/grammar/subverag.html
A detailed explanation of all the important points of English grammar. ... In the first example, another modifies the singular noun knife. In the second example, the pronoun another is the subject of the singular verb lives. Other can be used with singular countable, plural countable or uncountable nouns.
www.fortunecity.com/bally/durrus/153/gramch20.html
Singular is a leukotriene (loo-koe-TRY-een) inhibitor. Leukotrienes are chemicals your body releases when you breathe in an allergen (such as pollen). These chemicals cause swelling in your lungs and tightening of the muscles around your ai...
http://www.buysingulaironline.net/singulair.php?buy=sin...
accept...
digilearn.nait.ab.ca/merlin/forms/chooseverb.asp digilearn.nait.ab.ca/merlin/forms/chooseverb.asp