Fractions modifying and collective noun can take either singular or plural. Two thirds of the population of Lebanon is Muslim. Two thirds of the population of Lebanon are Muslims. A noun will be either countable or uncountable. There are some general guidelines for figuring out which category a noun falls into, but many times you will simply have to memorize which nouns are countable and which are uncountable.
Some information is out of place.
A lot of information is incorrect. Many furniture are arriving. These furniture are old. Common noncount nouns Go through the following groups of noncount nouns and identify the nouns you did not realize were noncount nouns. Write a sentence for each word you highlighted.