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How long ago? For how long? Using the verb 'hacer' to express the passage of time.

The verb 'hacer ', a verb in its own right used in all tenses, can be used to express the passage of time. We can use it to describe how long ago something happened or for how long we have been doing somethi...
EC
Answered by Elizabeth C. • Spanish tutor
3278 Views

What is the difference between Perfekt tense and Präteritum?

'Präteritum' is the way of telling a story. Therefore, it is also used when writing a story. A story in that sense is anything which is remote. It may be in the past, it may be in the future, it may just not...
AK
Answered by Aaron K. • German tutor
3582 Views

What is a virus?

Viruses are some of the smallest known organisms, and can cause serious disease in humans.A virus consists of a fragment of genetic material inside a protective protein coat. For a virus to survive and repli...
HC
Answered by Hannah C. • Biology tutor
8050 Views

'German aggression is to blame for the outbreak of World War One.' How far do you agree with this statement?

German 'agression', is repeatedly held up as the main reason for the outbreak of World War One. This is illustrated by the Schlieffen Plan of 1905-06 which aimed at annihilating armies on two fronts. Though ...
MD
Answered by Mariah D. • History tutor
6727 Views

How does blood circulate through the heart?

De-oxygenated blood in the body returns to the right atrium of the heart through the superior and inferior vena cava. This blood is pumped through to the right ventricle , the tricuspid valves prevent any ba...
CB
Answered by Clarisse B. • Science tutor
3227 Views