| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] mean follow up | 12 |
|
| 2 | [art] mean follow [adv prt] | 12 |
|
| 3 | [art] mean follow [adv prt] | 12 |
|
| 4 | the mean follow [adv prt] | 8 |
|
