| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [vb infin] on for ever | 6 |
|
| 2 | it [vb mod] [vb infin] [adv prt] for ever | 6 |
|
| 3 | it [vb mod] go [adv prt] for ever | 5 |
|
