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Remember this!
The past tense form of 'lysed' is lysed. Example: The enzyme lysed the cell walls. (The enzyme lysed the cell walls.)
Definition of “lyse”
- to break down or dissolve the cells of a substance
- to subject to lysis
Tense sentence structure and examples:
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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 | lysed |
| Past Continuous | lysing |
| Past Perfect | lysed |
Past Simple
The simple past tense is used to describe completed actions or events that occurred at a specific point in the past.
Subject + Past Simple Verb + (Object)
Example
The virus lysed the host cells.
Example
I lysed the sample for analysis.
Past Continuous
The past continuous tense is used to indicate actions or events that were in progress or happening at a specific point in the past.
Subject + was/were + Present Participle + (Object)
Example
The bacteria were lysing in the presence of the antibiotic.
Example
I was lysing the cells to release the proteins.
Past Perfect
The past perfect tense is used to show that one past action or event occurred before another past action or event, emphasizing the order of events in the past.
Subject + had + Past Participle + (Object)
Example
By the time I checked, the cells had lysed completely.
Example
The enzyme had lysed the protein.
Is lysed an irregular verb in the past?
No, "lysed" is not an irregular past tense verb.
