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Cómo estudiar sus tarjetas
Teclas de Derecha/Izquierda: Navegar entre tarjetas.tecla derechatecla izquierda
Teclas Arriba/Abajo: Colvea la carta entre frente y dorso.tecla abajotecla arriba
Tecla H: Muestra pista (3er lado).tecla h
Tecla N: Lea el texto en voz.tecla n
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4 Cartas en este set
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Present Perfect Simple
|
Have/Has+ Participle
We friends and I have been in South America since July |
Past Perfect Simple
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Had+ Participle
When we got to the airport, the plane had already landed. |
Present Perfect Continuous
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Have/Has+been+ing
We're tired. We have been hikking all day. |
Past Perfect Continuous
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Had+been+ing
We had been driving for three hours before we stopped for a coffe. |