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Why is it not '我是好'? In basic adjectival sentences, why is the copula verb 'to be' not used?

Take the simple sentence 'I am good' - 'I' is the subject, 'am' is the first-person of the verb 'to be', and 'good' is the adjective.In English, the verb 'to be' is needed in adjectival sentences to link ...

KY
Answered by Kwan Yee L. Mandarin tutor
7359 Views

How do we differentiate y=a^x when 'a' is an non zero real number

Firstly we must change it into a form we can deal with. To do this we take the natural log (ln) of both sides.ln(y)=ln(ax) ln(y)=x(ln(a))    using our rules of logsFrom here we differentiate. T...

MJ
Answered by Marcus J. Maths tutor
7970 Views

If (m+8)(x^2)+m=7-8x has two real roots show that (m+9)(m-8)<0 where m is an arbitrary constant

For this we are going to test our knowledge of discriminats and factorisation. Firstly we will format the equation as (m+8)x2+8x+(m-7)=0From here we can see it takes the form ax2+bx+...

MJ
Answered by Marcus J. Maths tutor
4994 Views

What are cases?

Every word has a function in a sentence. Sometimes, we can take words away and the sentence still makes sense. However, at other times, some words are essential for the sentence to not sound 'odd.' Say...

ML
Answered by Marcus L. German tutor
4484 Views

But how can we be sure that is what the author intended?

That's a really interesting point to raise. In short, I don't think we can, especially if the author has passed away. 

Looking at the text though, there are definitely hints pointing us t...

ML
5437 Views

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