| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is a [noun] which | 257 |
|
| 2 | it is a [noun sg] which | 256 |
|
| 3 | it is a system which | 7 |
|
| 4 | it is a system which | 7 |
|
| 5 | it is a process which | 7 |
|
| 6 | it is a process which | 7 |
|
| 7 | it is a problem which | 6 |
|
| 8 | it is a problem which | 6 |
|
