23
concentrate, concentrated, concentrated
| Base form | Past Simple | Past Participle | |
|
concentrate
|
concentrated
|
concentrated
|
|
|
-ing form
concentrating
|
s
concentrates
|
Verbs that start with "con-"
| continue
|
| conduct
|
| conclude
|
| condemn
|
| confirm
|
| congratulate
|
| conjugate
|
| connect
|
| consider
|
| consist
|
| contact
|
| contain
|
| contribute
|
| control
|
| convict
|
| convince
|
| concentrate
|
| confuse
|
