[Video] Q3: No change or pol and his team were able to isolate the carbon or the resulting chemical reaction isolated the carbon or isolation of carbon was achieved

Explanation for Question 3 From the Writing Section on the 2019 March Sat

Looking now at question number three, 2 we are being asked to evaluate whether this verb selection is 3 appropriate and whether we need to modify the phrase, 4 the carbon was isolated. So this question is asking us about a particular 5 concept, um, pertaining to active verb choice. 6 So whenever we're writing, we want to use active verbs. 7 We want to show the subject followed by the verb, 8 um, rather than inserting any of these past tense constructions. 9 Um, so I'll show you what I mean by that, as we look at 10 our answer choices. So our no change option, 11 the carbon was isolated is an example of passive verb construction. 12 So, because we are seeing was isolated, 13 we see that the carbon is not actually the subject, 14 that's doing the action, but rather the object that the action is being done 15 to. So in that case, we want to eliminate this sentence, 16 construction, this answer choice, because it doesn't present the sentence in an active way 17 answer choice B on the other hand, does present the sentence in an active 18 way. 19 It says Paul and his team were able to isolate the carbon. 20 So this subject comes first and then we're able to isolate. 21 So that's the verb. So we have, we're able to isolate, 22 um, we're here being the primary verb of that construction. 23 So this is unique from the other answer choices, 24 because it represents a active construction where the subject 25 is followed by the verb, looking down at answer choice C this 26 answer choice r...