| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [prep] [det] background | 26 |
|
| 2 | it is [prep] [det] background | 26 |
|
| 3 | [pers pn] is [prep] [det] background | 26 |
|
| 4 | it is [prep] [det] background | 26 |
|
| 5 | is [prep] [det] background [conj] | 19 |
|
| 6 | is [prep] [det] background [that] | 18 |
|
| 7 | is [prep] [det] background that | 18 |
|
| 8 | is [prep] [det] background that | 18 |
|
