Gerund or Infinitive?
Must / Have to
Mustn’t / Don’t have to
Will / Won’t / Shall
Verbs & Prepositions
100

Choose the correct form: 

“In Singapore, many people enjoy ___ late in hawker centres.” (eat)

eating (enjoy + gerund)

100

Which word fits best? 

You ___ show your passport when you enter Indonesia.

have to (rule/law)

100

Choose the correct form:
“You ___ bring cash to the meeting. Cards are accepted.”

don’t have to (not necessary)

100

Choose the correct form:
“I think ASEAN trade ___ grow in the next five years.”

will (prediction)

100

Complete the sentence: 

“Many tourists arrive ___ Thailand during the dry season.”

in


200

Choose the correct form:
“She decided ___ English to work in regional tourism.” (study)

to study (decide + infinitive)

200

Choose the best answer:
“I ___ finish this report today. My boss told me this morning.”

have to (external obligation)

200

What does this sentence mean?
“You mustn’t use your phone during the flight.”  

It is not allowed

200

Choose the correct form:
“Don’t worry, we ___ be late for the conference.”

won’t (reassurance)

200

Complete the sentence:
“We are waiting ___ the delegate from Vietnam.”

for

300

Choose the correct form:
“He avoided ___ about politics at the ASEAN dinner.” (talk)

talking (avoid + gerund)

300

Which form shows personal opinion?

“I ____ improve my pronunciation for presentations.”  

must

300

Choose the correct form:
“You ___ wear formal clothes on Fridays. Casual dress is fine.”

don’t have to

300

Choose the best word:
“___ we start the meeting at nine, or at ten?”

Shall (suggestion)

300

Complete the sentence:
“She applied ___ a job with a logistics company in Malaysia.”

for

400

Choose the correct form:
“They agreed ___ the workshop online because of travel costs.” (hold)

to hold (agree + infinitive)

400

Choose the correct sentence for a company rule: 


Employees _____ wear ID badges in the office

have to

400

Choose the correct form:
“You ___ forget to submit your visa documents.”

mustn’t (strong warning)

400

What does “shall” show here?
“Shall I email the minutes to everyone?”

Offer to help

400

Complete the sentence:
“This policy is similar ___ the one used in Laos.”

to

500

Choose the correct form:
“____ in ASEAN means ___ with people from many cultures.” (work/deal)

working / dealing (mean + gerund)

500

What is the difference?
“I must leave now” vs “I have to leave now”

  • must = speaker’s feeling or decision

  • have to = external reason or rule

500

Explain the difference:
“You mustn’t attend” vs “You don’t have to attend”

  • mustn’t = not allowed

  • don’t have to = optional


500

Choose the best answer:
“In my opinion, English ___ remain the main working language in ASEAN.”

will

500

Complete the sentence:
“After the meeting, please get back ___ me by email.”

to

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