To string up is to tie something between two objects
Example: We strung up a rope between two tree to act as a clothes line.
For more meanings of the phrasal verb string up
, follow the link below to our language library.
Notice that when you can say 'they are', the word is spelled they're. Follow the link for more about the three ways the word pronounced this way is spelled.
Notice that the possessive apostrophe is used after the 's' because there is more than one year. For more about the possessive apostrophe, follow the link.