| 1 | He knows all the Indian languages and dialects. | |
| 2 | You know finance and capital markets very well. | |
| 3 | He knew all the local languages and dialects. | |
| 4 | He might be a scientist and know all sorts of things about how light works. | |
| 5 | If you know English, you van make a trip round the world without being misunderstood. |