virtual libraries present a new paradigm for learning in school libraries ,change to past perfect tense​

Using the past perfect tense, the sentence becomes:

Virtual libraries had presented a new paradigm for learning in school libraries.

Explanation:

The past perfect tense is used to talk about actions that took place in the past before another action that also took place in the past. Let's make a simple timeline to represent that:

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past                    simple                      present                  simple              simple

perfect               past                          perfect                   present            future

For example, suppose you washed the dishes. Your mother arrived after you washed the dishes. Thus, you can use the past perfect to express the first action. The structure is subject + had + main verb (past participle):

I had washed the dishes before my mother arrived.

Having that in mind, we can change the sentence in the question using the past perfect to become:

Virtual libraries had presented a new paradigm for learning in school libraries.

explanation:

b the manazanar relocation center was located in california. it was used to keep japanise from spying on america.

the reasons for the harsh treatment, is because japan used tourist to take pictures and snapshots of pearl harbor.

many americans were afraid that the japanise would betray them for their mother country. through and means necessary. this means that, the leadership in japan is a lot different than it is here. culture and family ties has much to do with their outlook and worldview.

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