Simple Present,
Simple Past,
Simple Future,
Present progressive,
Past progressive,
Present perfect,
Past perfect,
Future perfect,
Present intensive,
Past Intensive,
Imperative,
| Verb: knock down ___ | Past Participle: knocked down ___ | Gerund: knocking down ___ |
knock down: Imperative
| [I] |
| [you, we, they] knock down ___! |
| [he, she, it] Do not knock down ___! |
The old building is being knocked down.
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