| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] contact [prep] | 49 |
|
| 2 | have been [prep] [adj] contact | 20 |
|
| 3 | been [prep] [adj] contact [prep] | 18 |
|
| 4 | have been [prep] [adj] [prep] | 10 |
|
