| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] from a | 54 |
|
| 2 | have been suffering from a | 11 |
|
| 3 | [verb] been suffering from a | 11 |
|
| 4 | had been suffering from [art] | 8 |
|
| 5 | had been suffering from [art] | 8 |
|
| 6 | had been [v-ing] from a | 6 |
|
| 7 | had been suffer from a | 5 |
|
| 8 | had be suffering from a | 5 |
|
| 9 | had [been] suffering from a | 5 |
|
| 10 | had [be] suffering from a | 5 |
|
| 11 | had been suffering from a | 5 |
|
| 12 | had been suffering [prep] a | 5 |
|
| 13 | [vb past] been suffering from a | 5 |
|
