| heed(verb, note, follow, observe, notice) |
| lend an ear(verb, expression, idiom, note, follow) |
| listen(verb, note, follow, observe, notice) |
| listen up(verb, expression, phrasal verb, note, follow) |
| look after(verb, expression, phrasal verb, note, follow) |
| look on(verb, expression, phrasal verb, note, follow) |
| mark(verb, keep, see, note, follow) |
| mind(verb, keep, see, note, follow) |
| note(verb, keep, follow, observe, attend) |
| notice(verb, keep, see, note, follow) |
| observe(verb, keep, see, note, follow) |
| occupy oneself with(verb, expression, idiom, phrasal verb, note) |
| perceive(verb, keep, see, note, observe) |
| pick up(verb, expression, phrasal verb, note, follow) |
| regard(verb, keep, see, note, follow) |
| scrutinise |
| scrutinize |
| see to(verb, expression, phrasal verb, note, follow) |
| study |
| watch(verb, keep, see, note, follow) |