Ok, Let see this paragraph:

Our transportation system needs to be improved:

-The first, ...(a sentence)...

-The second, ...(a sentence)...

Do the sentences "The first,....", "The second,....", etc make any sense?

Or, do we have to change to "First,...." & "Second,..."?

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  • 1
    It would help to know what the sentences are. Are they separate points about improving the transportation system? – stangdon Sep 7 '16 at 12:22

The first ...
The second ...
The third ...

is incorrect, the listener will be asking "The first what?"

For your list of transportation improvement points, you might use numbers (written)

1.0 The first point
2.0 The second point
3.0 The third point

or you might use phrases (written, spoken)

The first point is ...
The second point is ...
The third point is ...

or you might use these words (written, spoken)

Firstly, ...
Secondly, ...
Thirdly, ...

though if the list is longer than three points, using word descriptors can get awkward.

  • I am talking speaking conversation not writing an essay. A lot of Vietnamese students got this mistake. – Tom Sep 8 '16 at 5:39

I believe you are talking about system requirements/features for a transportation system.

The simplies way is just use numbers

1. 1.a. 1.b

Or 1. 1.1

or I use unique numbers for each statement, so that you can reference it later

TS-10 TS-20

I make the initial numbers 10, 20, 30 so that you can insert another requirement later without breaking the numbering of the older requirements.

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