(altogether)

Practice saying the entire verse, and then say it from memory. Practice until you can say it, write it, and translate it word for word, all from memory.

ou{twV ga;r hjgavphsen oJ qeo;ß to;n kovsmon,

w{ste to;n uiJo;n to;n monogenh: e[dwken,

i{na pa:V oJ pisteuvwn eijV aujto;n

mh; ajpovlhtai ajll= e[ch/ zwh;n aijwvnion.