Subject-verb agreement Expert System

1. Subject-verb agreement Expert System Aim: This expert system program is to show you how to change the verb in a sentence when you change the subject noun. Click anywhere to start. Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

2. Example sentence The example sentence is: Subject noun (e.g. a pronoun such as ‘I’.) Verb: learn Object: English Complement: every day ‘I learn English every day.’ Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

3. Rule 1 1. If the subject noun is ‘he, ‘she’, ‘it’, an uncountable noun or a singular countable noun, add an ‘s’ on the end of regular verbs. Examples: ‘He learns English every day.’ ‘Humanity learns English every day.’ ‘This student learns English every day.’ Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

4. Rule 2 2. If the subject noun is ‘I’, ‘you’, ‘we’, ‘they’, or a plural countable noun, do not add ‘s’. Examples: ‘I learn English every day.’ ‘Students learn English every day.’ Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

5. Rule 3 3. Irregular spellings. Many verbs add ‘s’ differently. Examples: go > goes have > has be > am / is / are kiss > kisses Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

6. Expert System Choose a noun to see the example sentence: IHumanity YouStudents He / She / ItThis student We You They Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

7. Output - I I learn English every day. Rule 2: If the subject noun is ‘I’, ‘you’, ‘we’, ‘they’, or a plural countable noun, do not add ‘s’. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

8. Output - You You learn English every day. Rule 2: If the subject noun is ‘I’, ‘you’, ‘we’, ‘they’, or a plural countable noun, do not add ‘s’. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

9. Output - He He learns English every day. Rule 1: If the subject noun is ‘he, ‘she’, ‘it’, an uncountable noun or a singular countable noun, add an ‘s’ on the end of regular verbs. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

10. Output - She She learns English every day. Rule 1: If the subject noun is ‘he, ‘she’, ‘it’, an uncountable noun or a singular countable noun, add an ‘s’ on the end of regular verbs. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

11. Output - It It learns English every day. Rule 1: If the subject noun is ‘he, ‘she’, ‘it’, an uncountable noun or a singular countable noun, add an ‘s’ on the end of regular verbs. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

12. Output - We We learn English every day. Rule 2: If the subject noun is ‘I’, ‘you’, ‘we’, ‘they’, or a plural countable noun, do not add ‘s’. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

13. Output - They They learn English every day. Rule 2: If the subject noun is ‘I’, ‘you’, ‘we’, ‘they’, or a plural countable noun, do not add ‘s’. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

14. Output - Humanity Humanity learns English every day. Rule 1: If the subject noun is ‘he, ‘she’, ‘it’, an uncountable noun or a singular countable noun, add an ‘s’ on the end of regular verbs. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

15. Output - Students Students learn English every day. Rule 2: If the subject noun is ‘I’, ‘you’, ‘we’, ‘they’, or a plural countable noun, do not add ‘s’. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk

16. Output - This student This student learns English every day. Rule 1: If the subject noun is ‘he, ‘she’, ‘it’, an uncountable noun or a singular countable noun, add an ‘s’ on the end of regular verbs. Back Author - Andy Morrall E-mail: ecandym@polyu.edu.hk