| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had join [art] | 184 |
|
| 2 | had joined [art] | 176 |
|
| 3 | had join the | 160 |
|
| 4 | had join the | 160 |
|
| 5 | had join a | 24 |
|
| 6 | had join a | 20 |
|
| 7 | had to join [art] | 8 |
|
