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Emma H.
Senior Engineering Major at Carnegie Mellon University
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Spanish
TutorMe
Question:

Can you please explain the difference between the preterito perfecto and the present perfecto?

Emma H.
Answer:

That's a good start! Let's look a little more in depth at there differences. The present perfecto is formed by combining the present indicative of the verb “haber” (conjugated to the subject of the sentence) and the past participle. While the preterito perfecto is a very useful form of a verb which can function as an adjective or as stated above, as a verb in conjunction with haber to form the perfect tenses. Let's look at some more examples now.

French
TutorMe
Question:

Since we have covered the French conjugations of avoid (to have) and etre (to be) can you tell me some of the irregular verb conjugations? First tell me the irregular verbs and then we will work through their conjugations together.

Emma H.
Answer:

We will start with the most frequently used irregular verbs. Let's first start with faire (to do/to make), aller (to go), and couloir (to want, to wish). Are there any other verbs you are having trouble with and really want to work on before we move ahead with our conjugation charts?

Algebra
TutorMe
Question:

Simplify the expression 2(-4a - 5b) - (8 + b) + b + (-2b + 4) - 5a

Emma H.
Answer:

Let's take a step by step approach (attempt to walk the student through each step and guide them slowly through (hopefully they will have some ideas on first few steps and they can see where they're getting stuck on these type of problems)) given 2(-4a - 5b) - (8 + b) + b + (-2b + 4) - 5a multiply factors -8a - 10b - 8 - b + b -2b + 4 - 5a group like terms - 13a - 12b - 4 Simplify the expression 2(a - 8b) - (5 - b) + b + (6b - 9) - a

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