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What is the subjunctive?

The subjunctive is a 'mood', like a tense, it changes the conjugation of the verb. It is used after certain phrases such as 'il faut que' (it is necessary that) and bien que (although) e.g. 'il faut que j'y ...
AH
Answered by Alice H. • French tutor
2615 Views

Find the general solution to y''+2y'-3y=x

y''=d 2 y/dx 2 , y'=dy/dx for ease of writing First off split the full equation into th homogeneous equation and the particular function. The homogenous equatiion is when our collection of y, y', y'' are on ...
ZG
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What is the difference between the preterite tense and the imperfect tense?

The preterite is used to describe events that happened only once and have finished. e.g. Antonio hizo sus deberes = Antonio did his homework (only once) The imperfect, on the other hand, is used to describe ...
EP
Answered by Ed P. • Spanish tutor
2191 Views

How can I show a basic understanding of the Subjunctive in Spanish?

The subjunctive (el subjuntivo) is a mood, not a tense and it is used frequently in Spanish. It can be used to describe past events with the imperfect subjunctive, or present events with the present subjunct...
GF
Answered by Georgina F. • Spanish tutor
2991 Views

Explain pieces of evidence that support the theory that mitochondria evolved from bacteria?

Mitochondria are one of the three eukaryotic organelles that have a double membrane (along with chloroplasts and the nucleus), two of which are believed to have evolved from bacteria (mitochondria from Prote...
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Answered by Angus L. • Biology tutor
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