| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] this background [that] | 15 |
|
| 2 | is [prep] this background that | 15 |
|
| 3 | is [prep] this background [that] | 15 |
|
| 4 | is against this background [that] | 15 |
|
| 5 | is against this background [that] | 15 |
|
