Answer:
Every time they are dirty.
Explanation:
If you don't change the towels out for the sandwich station every time they get dirty, it can lead to some food born illnesses that you can potentially give customers. If a customer gets a FBI, you can lose a customer, or get sued. It is always best to change them every time they are visibly dirty to prevent accidents like FBIs from happening.
Indicates a state of reality.
Indicative verbs state what is going on at that moment, or what could very possibly happen.
e.g "I run through the forest".
the overall theme of young love is inexperienance, and decisiveness that that person is your sole mate...
The use of contractions and colloquial 'slang' implies a writer, or persona adopted by the writer, that doesn't have a great deal in the ways of education, he/she appears to be writing things as they are said rather than how we as an audience know them to be spelt. This can be shown by quoting any contraction or wherever there's an amendment to the text, for example "hender" instead of "hinder".
<span>The use of nature also implies the simpleness of the two characters, by using the stream imagery it gives quite a straightforward steady approach, more gentle than say a river but still pretty much in that ideal</span>
