| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | require is some [noun sg] | 7 |
|
| 2 | require be some [noun sg] | 7 |
|
| 3 | require [is] some [noun sg] | 7 |
|
| 4 | required [be] some [noun sg] | 6 |
|
