A few, few, a little, little: в чем разница

Чем отличаются и как использовать a few, few, a little и little. 00:00 - Вступление 00:18 - использование a few / few 01:00 - a few 01:57 - few 02:28 - just a few, only a few 03:16 - quite a few 04:04 - too few, very few 04:55 - использование a little / little 05:41 - a little 06:14 - a little bit 06:47 - little, very little 07:44 - заключение