Archetype for shrek and archetype of Fiona

Ido have a poem that i wrote in my english class if you would like it.

Iwould but i can’t

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."