Question

Identify the tenses used in the passage below by the words or phrases(manly verbs) that indicate or signify them,and then explain the significance or meaning of these verb tenses,that is, what they reveal about when the event,action,state or processes they denote occur in relative time or temporality

Tittle:How the blockchain will radically transform the economy
TED talk by Bettina Warburg at the TEDSUMMIT

Economists have been exploring people's behavior for hundreds of years:how we decision,how we act individually and in groups, how we exchange value. They've studied the institution that facilitate our trade.like legal systems,corporations,marketplaces. But there is a new , technological institution that will fundamentally change how we exchange value, and it's called the blockchain. Now, that's a pretty bold statement, but if you take nothing else away from this talk,I actually want you to remember that while blockchain technology is relatively new ,it's also a continuation of a very human story, and the story is this As humans ,we find ways to lower uncertainty about one another so that we exchange value. (10 MARKS)

Answer 1

The tenses used in the passage below by the words or phrases:

Economists have been exploring people's behavior for hundreds of years:how we decision,how we act individually and in groups, how we exchange value. They've studied the institution that facilitate our trade.like legal systems,corporations,marketplaces.

But there is a new , technological institution that will fundamentally change how we exchange value, and it's called the block-chain. Now, that's a pretty bold statement, but if you take nothing else away from this talk,I actually want you to remember that while block-chain technology is relatively new ,it's also a continuation of a very human story, and the story is this, as humans ,we find ways to lower uncertainty about one another so that we exchange value.

1. Have been: Shows present perfect continuous tense, showing that the event has been continuously going on from past and still continues.

2. They have studied: shows present perfect tense, showing that just did this particular event in past but the time is indefinite.

3.There is a : shows Simple present/Present indefinite tense, showing that this is a fact and still exists at the present time.

4.That is a : shows Simple present/Present indefinite tense, showing that this is a fact and still exists at the present time.

Answer 2

Present perfect continuous tense, present perfect tense, simple present tense or present indefinite tense.

Explanation:

• The given paragraph employs a variety of tenses as mentioned above to denote various times.
• The very first sentence 'Economists have been....for hundreds of years' is written in present perfect continuous tense(reflected by use of have been + for+ time) as it expresses an action that began in past and is being continued in the present.
• The next sentence is written in present perfect tense as reflected by the use of 'has/have + V3'. It expresses an action that has recently completed, or took place in past at an unspecific time.
• The use of simple present or present indefinite is reflected through 'we find ways..value, that's a pretty....statement, it's also...story, etc. It is employed to denote a fact, habitual action, or a current action.

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