SIMPLE PRESENT:
1° My friend and I eat both every day.
2° Class either begins at ten o'clock.
3° She needs either to speak english in order to get a better job.
4° I drive either to work every morning.
SIMPLE PAST:
1°She liked either to sit in the sun.
2°She listened either music until ten o'clock last night.
3°The brothers had either a good time on the beach.
4°She brought neither her brother to the party last Friday.
SIMPLE FUTURE:
1°This both could be crucial to the future of both products.
2°Internet is either an important source of inspiration to both artists.
3°Our message to both parties has been clear and consistent.
4°My mother will either be mad that I don't clean the house.