Expresiones con By
| by accident | por casualidad |
| by air | por aire |
| by airmail | por correo aéreo |
| by all means | por supuesto |
| by and by | con el tiempo |
| by and large | en general |
| by bus | en autobus |
| by car | en auto |
| by chance | por casualidad |
| by cheque | con cheque |
| by credit card | con tarjeta de crédito |
| by day | de día |
| by degrees | gradualmente |
| by design | a propósito |
| by far | por lejos, mucho |
| by hand | a mano |
| by heart | de memoria |
| by land | por tierra |
| by law | según la ley |
| by mail | por correo |
| by mistake | por error |
| by night | de noche |
| by now | hasta ahora |
| by no means | de ninguna manera |
| by oneself | por uno mismo |
| by plane | en avión |
| by post | por correo |
| by sea | por mar |
| by sight | de vista (conocer a alguien) |
| by surprise | por sorpresa |
| by train | en tren |
| by the way | por cierto |
| by the dozen | por docena |
| by three o'clock | para las tres |