| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [verb] [art] | 27973 |
|
| 2 | had [vb pp] [art] | 25229 |
|
| 3 | [verb] joined [art] | 423 |
|
| 4 | have joined [art] | 421 |
|
| 5 | [vb past] joined [art] | 186 |
|
| 6 | had join [art] | 184 |
|
