| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [adj] background [conj] | 31 |
|
| 2 | it be [prep] [adj] background that | 30 |
|
| 3 | it be [prep] [adj] background [that] | 30 |
|
| 4 | it be [prep] [adj] background that | 30 |
|
| 5 | it be [prep] [adj] background [prep] | 5 |
|
| 6 | it be [prep] [adj] background of | 5 |
|
| 7 | it be [prep] [adj] background of | 5 |
|
| 8 | it be [prep] [adj] background [prep] | 5 |
|
