The uncountable noun 'traffic' is treated as a singular form; for example:The traffic is heavy at this time of day.The traffic in cute kitten videos just grows and grows.
The plural form of traffic rule is traffic rules.
Traffic is a mass noun, it has no plural form.
Traffic is a noun - the plural form is still 'traffic' (no 's' on the end). "There is a lot of traffic on the road."
Yes, "traffic lights" is a noun phrase. "Traffic" is a noun, and "lights" is a noun used as a modifier to describe the type of lights.
No, the noun 'traffic' is a mass noun (also called an uncountable noun) it has no plural form.The noun 'traffic' is a type of aggregate noun, a word representing an indefinite number of elements.A partitive noun (also called a noun counter) is a noun used to count or quantify an uncountable noun; for example a lot of traffic, some traffic, a littletraffic, etc.
The word crises is a plural word; it is the plural form of the word crisis.
There is no plural word for if.
The plural form for the demonstrative pronoun this is these.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
The plural word of delay is delays.
the plural word is comedones