| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been under pressure | 13 |
|
| 2 | had been [prep] pressure | 13 |
|
| 3 | had been [prep] pressure | 13 |
|
| 4 | had been under pressure | 13 |
|
| 5 | had been pressure [prep] | 5 |
|
| 6 | had been pressure [prep] | 5 |
|
