If-clause

1.     If I _____ (have) more time, I would learn a new language.

• a) have

• b) had

• c) will have    

• d) would have  

Answer explanation

เนื่องจากเป็นประโยค IF clause Type 3

(If + Subject + Verb ช่อง 2 , would + infinitive verb)

2.     If she _____ (study) harder, she would have passed the exam.

• a) studied

• b) studies

• c) had studied

• d) will study

Answer explanation

The correct choice is c) had studied, as it uses the past perfect tense to indicate a hypothetical situation in the past. The sentence implies that if she had studied harder, she would have passed the exam.

3.     If it rains tomorrow, we _____ (cancel) the picnic.

• a) cancel

• b) cancelled

• c) will cancel  

• d) would cancel

Answer explanation

The correct choice is c) will cancel, as it indicates a future action dependent on the condition of rain. The other options do not fit the conditional structure of the sentence.

4.     If I were you, I _____ (take) the job offer.

•  a) will take

• b) would take

• c) took            

• d) had taken

Answer explanation

The correct choice is b) would take, as it expresses a hypothetical situation. 'If I were you' indicates a conditional scenario, and 'would' is used to indicate what one would do in that situation.

5.     He would have arrived on time, if he _____ (leave) earlier.

• a) left

• b) had left

• c) leaves

• d) would leave

6.     If we _____ (not / hurry), we'll miss the train.

• a) don't hurry

• b) didn't hurry

• c) hadn't hurried

• d) wouldn't hurry

Answer explanation

The correct choice is a) 'don't hurry' because it indicates a present condition. If we do not hurry now, we will miss the train. The other options imply different tenses or conditions that do not fit the context.

7.     If I _____ (be) taller, I would play basketball.

• a) am  

• b) was

• c) were

• d) had been

Answer explanation

The correct choice is c) were, as it uses the subjunctive mood to express a hypothetical situation. The sentence implies that if the speaker were taller, they would play basketball, which is not currently true.

8.     Unless you _____ (apologize), she won't forgive you.

• a) apologize   

• b) apologized

• c) will apologize

• d) would apologize

Answer explanation

The correct choice is a) apologize because it uses the base form of the verb, which is needed after 'unless' to indicate a condition. The other options are incorrect verb forms for this context.

9.     If they _____ (not / spend) so much money, they wouldn't be in debt now.

•  a) don't spend

• b) didn't spend

• c) hadn't spent

• d) wouldn't spend

Answer explanation

The correct choice is c) hadn't spent. This form indicates a past action that did not happen, which aligns with the conditional structure of the sentence, suggesting that if they had not spent money, they wouldn't be in debt.

10.     What would you do if you _____ (win) the lottery?

•  a) win

• b) won

•  c) had won    

• d) will win

Answer explanation

The correct choice is b) won because the sentence uses the second conditional structure, which requires the past simple form of the verb 'win' to express a hypothetical situation.