Prefixes are groups of letters that are added to the start of words to change their meaning. Watch this clip ... each of them in a full sentence. For example: I was very inactive because I had ...

Prefixes are a group of letters that change the meaning of a word when they are ... about how to use the prefix un- and shows you some examples. Watch, listen carefully and join in with the ...

The maritime world is filled with unique terminology and abbreviations, and one of the most recognizable among them is the prefix “SS ... adapted to new meanings. Over time, “SS ...