Remember this!
The past tense form of 'backwash' is backwashed. Example: He backwashed the pool to clean the filter. (He backwashed the pool to clean the filter.)
Definition of “backwash”
- to force liquid back into a container by blowing or expelling air
- to contaminate or spoil something by introducing backflow or reverse flow
Tense sentence structure and examples:
Notes from a Native English Speaker
Here are the general structures of a present and past participle. Remember, some verbs have an irregular form and may not follow this structure: Present Participle: [Verb] -ing Past Participle: [Verb] -ed
| Past Simple | backwashed |
| Past Continuous | backwashing |
| Past Perfect | have backwashed |
Example
He backwashed the pool to clean the filter.
Example
She backwashed the cup to remove any residue.
Example
At that time, they were backwashing the pipes to clear the blockage.
Example
I wasn't backwashing the container properly.
Example
By the end of the day, he had backwashed all the containers.
Example
She had backwashed the system before the issue occurred.