The verb 让 ràng is not only used in passive sentences. It also means: to let or to allow. A person of a higher rank (teacher, boss, parents, older brothers and sisters, doctors) can let, allow or induce (让 ràng) someone of a lower rank (student, worker, child, younger brother or sister, patient).
| 老 | 师 | 让 | 我 | 看 | 这 | 本 | 书 | 。 |
| lǎo | shī | ràng | wǒ | kàn | zhè | běn | shū | _ |
| old | teacher | let | I | look | this | origin | book | _ |
| teacher | let, give in, make sb do sth | I, me, my | look, read | this | grammatical: measure word, foundation, original, current, this | book | 。 | |
| The teacher lets (allows me or induces me) me read this book | ||||||||
| 他 | 让 | 我 | 去 | 看 | 它 | 。 |
| tā | ràng | wǒ | qù | kàn | tā | _ |
| he | let | I | go | look | it | _ |
| he, him, other | let, give in, make sb do sth | I, me, my | go to, pass away, remove | look, read | it | 。 |
| He lets me (allows me or induces me) go see it. | ||||||
| 老 | 师 | 让 | 我 | 不 | 要 | 看 | 这 | 本 | 书 |
| lǎo | shī | ràng | wǒ | bù | yào | kàn | zhè | běn | shū |
| old | teacher | let | I | not | want | look | this | origin | book |
| teacher | let, give in, make sb do sth | I, me, my | don't do sth, don't want | look, read | this | grammatical: measure word, foundation, original, current, this | book | ||
| The teacher induces me not to read the | |||||||||
| 。 | |||||||||
| _ | |||||||||
| _ | |||||||||
| 。 | |||||||||
| book. | |||||||||