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: Simple Past
| [I] I knocked down ___ |
| [you, we, they] You knocked down ___ |
| [he, she, it] He knocked down ___ |
The old building is being knocked down.
 |
All of the English activities with description in
English,
Español,
Français,
Deutsch,
Italiano,
Portuguêes,
日本語,
汉语,
Русский,
العربية,
한국어,
فارسی,
Việt Nam,