1. to know, to be aware (of), to be conscious (of), to learn (of), to find out, to discover
2. to sense, to feel, to notice, to realize
3. to understand, to comprehend, to grasp, to appreciate
4. to remember, to be familiar with, to be acquainted wit...
1. too, also, in addition, as well, (not) either (in a negative sentence)
2. both A and B, A as well as B, neither A nor B (in a negative sentence)
3. even, as much as, as many as, as far as, as long as, no less than, no fewer than
4. even if, even t...