Question

Change the tenses of the following sentences as directed :


1. There is tremendous progress in the field of medicine. (Present perfect)

2. The man died before the doctor arrived. (Past perfect)


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Answer 1

Answer:

1. there has been tremendous progress in the field of medicine.

2. the man had died when the doctor arrived.

Answer 2

ANSWER :

• ★ There is tremendous progress in the field of medicine.

➛ There has been tremendous progress in the field of medicine.

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✫ The given sentence is in Simple Present Tense and we have to change it to Present Perfect Tense.

• Sentence Structure of Simple Present Tense :-

➺ Subject + Verb + Complement.

• Sentence Structure of Present Perfect Tense :-

➺ Subject + Have/Has + Past Participle form of Verb + Complement.

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• ★ The man died before the doctor arrived.

➛ The man had died before the doctor arrived.

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✫ The given sentence is in Simple Past Tense and we have to change it to Past Perfect Tense.

• Sentence Structure of Simple Past Tense :-

➺ Subject + Past form of Verb + Complement.

• Sentence Structure of Past Perfect Tense :-

➺ Subject + Had + Past Participle form of Verb + Complement.

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KNOW MORE :

❖ What is Tense ?

• ➲ In grammar, the term "Tense" can be defined as a category through with the time reference is expressed. It is a verb-based method of expressing or indicating time of an action.

➲ There are mainly three Tenses in English Grammer :-

• [1] Present Tense

• [2] Past Tense

• [3] Future Tense

❖ What is Present Tense ?

• ➲ The tense which express or indicate the present time is known as Present Tense. A verb that refers to present time is said to be in the Present Tense.

➲ There are four types of Present Tenses :-

• ➺ Simple Present Tense

• ➺ Present Continuous Tense

• ➺ Present Perfect Tense

• ➺ Present Perfect Continuous Tense

❖ What is Past Tense ?

• ➲ The tense which express or indicate the past time is known as Past Tense. A verb that refers to past time is said to be in the Past Tense.

➲ There are four types of Past Tenses :-

• ➺ Simple Past Tense

• ➺ Past Continuous Tense

• ➺ Past Perfect Tense

• ➺ Past Perfect Continuous Tense

❖ What is Future Tense ?

• ➲ The tense which express or indicate the future time is known as Future Tense. A verb that refers to future time is said to be in the Future Tense.

➲ There are four types of Future Tenses :-

• ➺ Simple Future Tense

• ➺ Future Continuous Tense

• ➺ Future Perfect Tense

• ➺ Future Perfect Continuous Tense