2) Сложнопроизводные

1. { v + prt} +о – hold-up, lay-off, etc.

2. (v + -er) + prt – looker-on, passerby, etc.

3. (v + -ing) + prt – summing-up, warming-up, etc.

4. (num + n) + er – four-wheeler, etc.

Имена прилагательные