Jawaban:

1. (+) You like to travel abroad.

(-) You do not like to travel abroad.

(?) Do you like to travel abroad?

2. (+) We go to work by bus every day.

(-) We do not go to work by bus every day.

(?) Do we go to work by bus every day?

3. (+) He borrows two books every week from the Public Library.

(-) He does not borrow two books every week from the public library.

(?) Does he borrow two books every week from the Public Library?

4. (+) They have many books in their home library.

(-) They do not have many books in their home library.

(?) Do they have many books in their home library?

5. (+) I am the youngest librarian in this library.

(-) I am not the youngest librarian in this library.

(?) Am I the youngest librarian in this library?

6. (+) My aunt is an active member of the National Library.

(-) My aunt is not an active member of the National Library.

(?) Is my aunt an active member of the National Library?

7. (+) University libraries usually buy new textbooks every semester.

(-) University libraries do not usually buy new textbooks every semester.

(?) Do University libraries usually buy new textbooks every semester?

8. (+) My colleagues collaborate to do a research.

(-) My colleagues do not collaborate to do a research.

(?) Do my colleagues collaborate to do a research?

9. (+) She plans to continue her study in Library and Information Science.

(-) She does not plan to continue her study in Library and Information Science.

(?) Does she plan to continue her study in Library and Information science?

10. (+) He invites his colleagues to his graduation party.​

(-) He does not invite his colleagues to his graduation party.

(?) Does he invite his colleagues to his graduation party?

Penjelasan:

Rumus Simple Present Tense:

Kalimat Positive (+)  :

- Verbal     :  Subject + Verb1/Verb1+s/es + Object + adverb of time (every day / every morning)

- Nominal  :  Subject + Tobe (am, is are) + Object

Kalimat Negatif (-)    :

- Verbal     :  Subject + do/does not +Verb1 + Object + adverb of time (every day / every morning)

- Nominal  :  Subject + Tobe (am, is are) +NOT + Object

Kalimat Interrogative (?)  :

- Verbal    :  Do/Does + Subject + Verb1 + Object + adverb of time (every day / every morning) + ?

- Nominal :  Tobe (am, is are) + Subject + Object + ?

Jawaban di atas mengikuti Formula kalimat Verbal dan untuk bentuk kalimat verbal negatif Auxiliary Verbs seperti kata Do not dan Does not dalam bentuk negatif bisa disingkat menjadi bentuk Contraction forms yaitu: Don't dan Doesn't.

Kalimat Nominal contoh lainnya:

(+) We are doctors.

(-) We are not doctors.

(?) Are we doctors?

Dalam kalimat nominal, bentuk kata kerja To be (is / am / are) dalam bentuk negatif is not dan are not juga bisa disingkat menjadi bentuk Contraction forms yaitu: isn't dan aren't namun am not tidak bisa disingkat.

Semoga membantu ya.