Question

Put the words in the right order to make sentences in the Present Perfect. become species Many animal already have extinct. of not been deforestation has yet. solved The problem Scientists plants. made of medicines rainforest from have a already lot

Answer 1

1) Many animal species have already become extinct.

2) The problem of deforestation has not been solved yet.

3) Scientists have already made a lot of medicines from rainforest plants.

Answer 2

Certainly! Here are the sentences with the words in the correct order to form sentences in the Present Perfect tense:

1. Many animal species have already become extinct due to deforestation. (Subject: Many animal species; Verb: have become; Past Participle: extinct; Reason: due to deforestation)

2. The problem of deforestation has not yet been solved by scientists. (Subject: The problem; Verb: has been solved; Negative adverb: not yet; Agent: by scientists)

3. Scientists have already made a lot of medicines from plants in the rainforest. (Subject: Scientists; Verb: have made; Object: a lot of medicines; Source: from plants in the rainforest; Time: already)

These sentences use the Present Perfect tense to describe actions or situations that started in the past and have relevance or impact in the present.