| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] on for [art] long | 5 |
|
| 2 | could [vb infin] on for a long | 5 |
|
| 3 | could [vb infin] on for [art] long | 5 |
|
| 4 | could go on for [art] long | 5 |
|
