| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | services which [vb mod] [be] | 28 |
|
| 2 | services which [vb mod] be | 28 |
|
| 3 | services which [vb mod] be | 28 |
|
| 4 | services which can [be] | 8 |
|
| 5 | services which could [be] | 5 |
|
| 6 | services which might [be] | 5 |
|
