It means <span>Your best friend would say Louise.</span>
Its not that wrong just a few slepups but if you can fix your spelling for me it would be easer to read
AND I AM NOT TRYING TO BE A CRETIC
The table needs to be cleaned is translated to “Hay que limpiar la mesa”
To make a word in Spanish plural, it's quite similar to English where you will add s, es, etc to the end to indicate there are multiple of something.
10 words for examples as requested: plumas, libros, camisetas, escritorios, lápices (plural of lápiz), manos, pollos, sombreros, camisas, pantallas.
If you want to say the (word), add el/la depending on the word's gender.