| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had go [prep] hospital | 23 |
|
| 2 | had to go [prep] hospital | 18 |
|
| 3 | had go to hospital | 15 |
|
| 4 | had go to hospital | 15 |
|
| 5 | had go into hospital | 7 |
|
| 6 | had go into hospital | 7 |
|
| 7 | had gone [prep] hospital | 5 |
|
