al·ways

–adv.
1. every time; on every occasion; without exception.
2. all the time; continuously; uninterruptedly.
3. forever.
4. in any event; at any time; if necessary.

for·ev·er

– adv.
1. without ever ending; eternally: to last forever.
2. continually; incessantly; always.
–noun
3. an endless or seemingly endless period of time.

nev·er

– adv.
1. not ever; at no time.
2. not at all; absolutely not.
3. to no extent or degree.