Tenses Exercise For Class 10 CBSE
Fill in the blanks with appropriate tense forms. This grammar worksheet is helpful for students of classes 9 and 10.
Class 10 Tenses worksheet
It is nothing short of a miracle: A man with severe brain damage ……………………. (is regaining / regains / had regained / regained) the ability to talk, eat, and move after doctors implanted an electrical device deep inside his brain. The patient ……………………… (has suffered / suffered / suffers / was suffering) a brain injury 6 years ago. Since then he barely ……………………………. (responded / has responded / was responding / respond) to the world around him. He ……………………….. (couldn’t / shouldn’t / wouldn’t) eat, so tubes delivered nutrients to his body. When asked yes-no questions, he sometimes ………………………… (moves / move / moved / is moving) his eyes and thumbs, but his responses ……………………… (is / are / were / have) not consistent.
During a 10-hour operation, neurosurgeons ………………………. (put / puts / putted / were putting) two devices called electrodes deep within the center of the patient’s brain, in an area called the thalamus. The thalamus is a walnut shaped organ. It is the brain’s ‘grand central station’. It …………………………. (helps / is helping / helped / will help) signals travel between the brain and the body’s sensory organs, such as the eyes, skin, and tongue. Electrodes …………………………. (transmit / are transmitting / transmitted / have transmitted) electric currents. So the team of neurosurgeons involved in the surgery ………………………. (proposes / proposed / propose / have proposted) that transmitting currents deep in the brain would make the thalamus more active. And firing up the thalamus, they hoped, …………………… (will / would / shall / should) wake up the whole brain.
Answers
It is nothing short of a miracle: A man with severe brain damage regained the ability to talk, eat, and move after doctors implanted an electrical device deep inside his brain. The patient suffered a brain injury 6 years ago. Since then he barely responded to the world around him. He couldn’t eat, so tubes delivered nutrients to his body. When asked yes-no questions, he sometimes moved his eyes and thumbs, but his responses were not consistent.
During a 10-hour operation, neurosurgeons put two devices called electrodes deep within the center of the patient’s brain, in an area called the thalamus. The thalamus is a walnut shaped organ. It is the brain’s ‘grand central station’. It helps signals travel between the brain and the body’s sensory organs, such as the eyes, skin, and tongue. Electrodes transmit electric currents. So the team of neurosurgeons involved in the surgery proposed that transmitting currents deep in the brain would make the thalamus more active. And firing up the thalamus, they hoped, would wake up the whole brain.
