| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | require to take [adv prt] a | 5 |
|
| 2 | require to take [adv prt] a | 5 |
|
| 3 | required to take [adv prt] [art] | 5 |
|
| 4 | require to take [adv prt] [art] | 5 |
|
