thumb
verb/θʌm/
Verb Forms
| present simple I / you / we / they thumb | /θʌm/ |
| he / she / it thumbs | /θʌmz/ |
| past simple thumbed | /θʌmd/ |
| past participle thumbed | /θʌmd/ |
| -ing form thumbing | /ˈθʌmɪŋ/ |