The document discusses different tenses in English, including the simple past, present, past perfect, and present perfect tenses. It provides examples of when each tense is used, such as using the simple past tense to talk about completed actions in the past and the present perfect tense to discuss actions that occurred an unspecified time before now. The document is intended to explain the differences between simple and compound tenses in English.
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Tiempos simples y tiempos compuestos
1. Tiempos Simples y
Tiempos Compuestos
Maiber Escorihuela
REPBLICA BOLIVARIANA DE VENEZUELA
MINISTERIO DEL PODER POPULAR PARA LA EDUCACIN UNIVERSITARIA
INSTITUTO UNIVERSITARIO DE TECNOLOGA ANTONIO RICAURTE
Cagua, Junio de 2015
2. The Simple Past is used to talk about actions or situations in the past. It is also
called Past Simple.
1. action finished in the past (single or repeated)
2. series of completed actions in the past
Example:
She studied Industrial Production 3 years ago
Simple Past
3. Simple Present
We use the present tense to talk about:
Something that is true in the present:
Something that happens again and again in the present:
Something that is always true:
Example:
They make sure the production is going well
4. Past Perfect (Compuesto)
We use the past perfect tense:
For something that started in the past and continued up to a given time in the
past
For something we had done several times up to a point in the past and
continued to do after that point
Example
The industrial security class had started when they arrived
5. Present Perfect (Compuesto)
We use the Present Perfect to say that an action happened at an
unspecified time before now. The exact time is not important.
You CANNOT use the Present Perfect with specific time expressions such as:
yesterday, one year ago, last week, when I was a child, when I lived in
Japan, at that moment, that day, one day, etc.
We CAN use the Present Perfect with unspecific expressions such as: ever,
never, once, many times, several times, before, so far, already, yet, etc.
Example
Production indexes have been computed already.