| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should always keep [prep] touch with | 6 |
|
| 2 | should always [verb] in touch with | 6 |
|
| 3 | should always [verb] [prep] touch with | 6 |
|
| 4 | should always [vb base] [prep] touch with | 5 |
|
| 5 | should always keep [prep] touch with | 5 |
|
