Possessive Nouns. Possessive nouns are used to indicate ownership. Possessive nouns usually are formed by adding an apostrophe (') and s. When a noun is plural and ends in s, just add an apostrophe ('). If two people own one thing, add the apostrophe and s to the second person only. If two people own separate things, add the apostrophe and s for each person.
Types of antibiotics. There are hundreds of different types of antibiotics, but most of them can be broadly classified into six groups. These are outlined below. Penicillins (such as penicillin and amoxicillin) â widely used to treat a variety of infections, including skin infections, chest infections and urinary tract infections.
Antibiotics are medicines that kill bacteria. Bacteria can cause infections such as strep throat, ear infections, urinary tract infections, and sinus infections (sinusitis). There are many types of antibiotics. Each works a little differently and acts on different types of bacteria.Your doctor will decide which antibiotic will work best for your infection.ntibiotics do not work against illnesses that are caused by a virus. They do not help illnesses such as: 1  Common colds. 2  Influenza (flu). 3  Most cases of acute bronchitis. 4  Most sore throats not caused by strep. 5  Runny noses. 6  Most ear infections.