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Okay, now we are going to do the same with the present tenses, but now with the past tenses, okay?

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So we begin again with the verb to be, to make the negative and the interrogative.

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So she was the best student.

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She was the best student, okay?

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was that we have there is the past simple of the verb to be yes so we are

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going to make the negative she was now we add the not and for the short form it

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will be wasn't the best student yes there it is perfect and to make the

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the interrogative again as it with the present tenses we just put was at the

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beginning was she was she the best student and of course that you sometimes

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times forget the question mark because we are with a question okay now let's go

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with all the other verbs that are not the verb to be yes so they were cooking

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no sorry they studied a lot perfect study it is the verb to study in the

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past simple. Okay? It's a regular past. That's it. Verb to study and it's past simple. Very

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good. So, you know that with all the verbs that are not the verb to be, we need to call

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the auxiliary verb do. But in this case, as we are with a tense in the past, do is going

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to be did. That is the past of the verb to do, if you know your list of irregular verbs.

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Okay, so they did not, didn't, and now, instead of putting this verb as it is here, that is with the past tense, we put it in the infinitive form.

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Okay, they did not study a lot.

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So, they didn't study a lot.

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And for the question, what shall we do for the interrogative?

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Well, we need again the verb to do in the past.

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Did they.

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Then we put our subject, did they study.

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Again, don't put studied.

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We have to put study a lot.

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Did, okay, and study a lot.

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And then we have, if we do it with the past continuous, okay?

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So, for example, they were doing their homework.

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our verb is we're doing

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yes

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we're doing

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as we've said is

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the past

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continuous

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of the verb

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to do

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and as we said in the present continuous

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we already have here the verb to be

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so we only need to put a not

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in between both of them

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They were not or weren't doing their homework.

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And for the question, we just place where at the beginning.

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where they're doing their homework, okay, where, our subject, and doing, and I hope

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that with this all it's now that you understand it