Tenses Worksheet For Class 10 CBSE

Complete the following sentences with an appropriate form of the verb. This grammar exercise is designed for students of classes 9 and 10.

Tenses worksheet

Researchers at Harvard and McGill University ………..1…………… on an amnesia drug that …………2……….. or deletes bad memories. The technique ………..3………… to allow psychiatrists to disrupt he biological pathways that allow a memory ………4………… In the new study, the drug propranolol ……….5……….. along with therapy to dampen memories of trauma victims. During trails, patients …………6……….. the drug showed fewer signs of stress when recalling their trauma.

1. a) work; b) are working; c) have worked; d) had worked

2. a) block; b) is blocking; c) blocks; d) has blocked

3. a) seem; b) seems; c) is seeing; d) has seemed

4. a) to recall; b) to be recalled; c) to be recalling;

5. a) used; b) is using; c) is used; d) has used

6. a) give; b) gave; c) given; d) giving

Answers

Researchers at Harvard and McGill University are working on an amnesia drug that blocks or deletes bad memories. The technique seems to allow psychiatrists to disrupt he biological pathways that allow a memory to be recalled. In the new study, the drug propranolol is used along with therapy to dampen memories of trauma victims. During trails, patients given the drug showed fewer signs of stress when recalling their trauma.

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