1.) They are always laughed at. :

    1. Negative:

         They are never laughed at.

    2. Question:

         Are they always laughed at?

2.) The letter was sent to him yesterday.  :

    1. Negative:

         The letter wasn't sent to him yesterday.

    2. Question:

         Was the letter sent to him yesterday?

3.) The windows were broken by the strong wind.  :

    1. Negative:

         The windows weren't broken by the strong wind.

    2. Question:

         Were the windows broken by the strong wind?

4.) The article was read with pleasure.  :

    1. Negative:

         The article wasn't read with pleasure.

    2. Question:

         Was the article read with pleasure?

5.) Our country was visited by many tourists.  :

    1. Negative:

         Our country wasn't visited by many tourists.

    2. Question:

         Was our country visited by many tourists?

6.) The child is often left alone.  :

    1. Negative:

         The child isn't often left alone.

         The child is rarely left alone.

    2. Question:

         Is the child often left alone?

7.) English is taught at our Institute.  :

    1. Negative:

         English isn't taught at our Institute.

    2. Question:

         Is English taught at our Institute?

8.) The test results will be given tomorrow.  :

    1. Negative:

         The test results will not / won't be given tomorrow.

    2. Question:

         Will the test results be given tomorrow?

9.) This library was opened last year. :

    1. Negative:

         This library wasn't opened last year.

    2. Question:

         Was this library opened last year?

10.) Your report will be discussed tomorrow.  :

    1. Negative:

         Your report will not / won't be discussed tomorrow.

    2. Question:

         Will your report be discussed tomorrow?