Simple Past Tense: Completing Sentences

They reported seeing a strange light in the sky. This sighting ______ last night.

1. El marcador temporal last night exige pasado simple.
2. Opciones: happened / are happening / will happen / is happening.
3. Solo happened es pasado simple.

Neil Armstrong and Buzz Aldrin ______ on the Moon in 1969.

1. Fecha pasada (1969) → pasado simple.
2. Sujeto plural → forma base + -ed sin auxiliar.

Joseph von Fraunhofer ______ the dark lines in the spectrum of sunlight in 1814.

1. In 1814 indica acción terminada.
2. Verbo regular discover → discovered.

Bigfoot is a legendary creature that ______ first spotted in the forests of North America a thousand years ago.

1. Voz pasiva en pasado: was/were + participio spotted.
2. Sujeto singular creature → was.

We ______ amazed by the beauty of the aurora borealis on our trip to Alaska.

1. Voz pasiva en pasado con sujeto plural We.
2. Auxiliar were + adjetivo amazed.

Last century, the Bermuda Triangle ______ the place of many unexplained disappearances.

1. Last century → pasado simple.
2. Sujeto singular → was.

They ______ a time capsule at our school last year.

1. Last year → pasado simple.
2. Verbo regular bury → buried (y → i + ed).

My grandparents often told stories about UFO sightings that ______ in their hometown.

1. La oración principal está en pasado (told), la relativa también.
2. Verbo regular occur → occurred (dobla la r final).

The Wright Brothers ______ the first successful airplane flight in 1903.

1. In 1903 → pasado simple.
2. Verbo regular complete → completed.

Scientists ______ planets outside our Solar System in 1992.

1. In 1992 → pasado simple.
2. Verbo irregular find → found.

Yesterday, I ______ an article about a new discovery on Mars.

1. Yesterday → pasado simple.
2. Verbo irregular read → read (misma grafía, pronunciación /red/).

Many years ago, some people ______ that there was life on the Moon.

1. Many years ago → pasado simple.
2. Verbo regular believe → believed.