We use it when both the reader and the writer can identify the exact noun that is being referred.Please give me hammer and nail.A doctor is a highly educated person.

Firewall articles

to be forwarded to the host that initiated the trigger condition. This easy setup dramatically saves technical support costs. Given that fires are very rare, the failure of an

Uncountable nouns can be modified by words like some, however.Shared knowledge (both participants know whats being referred to, so its not necessary to specify with any more details) The boss just asked about the report.Note: Some nouns have both count and non-count meanings Some nouns have both count and non-count meanings in everyday usage.

(Most) Proper nouns no article (Ø) My research will be conducted in Luxembourg.Think about the rules in this handout, but also try to pay attention to how articles are being used in the language around you.