Infinitive : - In grammar , the infinitive is the form of a verb that has no inflection to indicate person , number , mood or tense . By far , the most common form of an infinitive in English language is with the particle ' to ' , such as ' to walk ' ' to cry ' etc . This is known as ' to - infinitive ' . It can function as a subject , direct object , subject complement , adjective , or adverb in a sentence .

Infinitive of purpose : - The infinitive of purpose can only be used if the doer of the action expressed by the infinitive is the same as the subject of the main clause. If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would .

The infinitive of purpose can only be used if the doer of the action expressed by the infinitive is the same as the subject of the main clause. If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would:

Example : Jerry works hard so that his family has everything they need.

In the question : -

Tina gave me a shopping list _________  I wouldn't forget anything . In this sentence , If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would .

Thus the Correct Option is  C , which is So that .

Infinitive : - In grammar , the infinitive is the form of a verb that has no inflection to indicate person , number , mood or tense . By far , the most common form of an infinitive in English language is with the particle ' to ' , such as ' to walk ' ' to cry ' etc . This is known as ' to - infinitive ' . It can function as a subject , direct object , subject complement , adjective , or adverb in a sentence .

Infinitive of purpose : - The infinitive of purpose can only be used if the doer of the action expressed by the infinitive is the same as the subject of the main clause. If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would .

The infinitive of purpose can only be used if the doer of the action expressed by the infinitive is the same as the subject of the main clause. If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would:

Example : Jerry works hard so that his family has everything they need.

In the question : -

I went to the mechanic because I wanted him ___________ my car. In this sentence , infinitive to and verb fix is used to show purpose of something .

Thus the Correct Option is  D , which is To fix .

Infinitive : - In grammar , the infinitive is the form of a verb that has no inflection to indicate person , number , mood or tense . By far , the most common form of an infinitive in English language is with the particle ' to ' , such as ' to walk ' ' to cry ' etc . This is known as ' to - infinitive ' . It can function as a subject , direct object , subject complement , adjective , or adverb in a sentence .

Infinitive of purpose : - The infinitive of purpose can only be used if the doer of the action expressed by the infinitive is the same as the subject of the main clause. If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would .

The infinitive of purpose can only be used if the doer of the action expressed by the infinitive is the same as the subject of the main clause. If the subjects are different, we can use so + that-clause with the present simple tense or with the modal verbs may, can, will, might, could or would:

Example : Jerry works hard so that his family has everything they need.

In the question : -

1. Our company does everything ____________ all complaints may be dealt with fairly and effectively.

In this sentence , in order that is used as infinitive to show purpose .

2. He will come ___________ dance with you.

In this sentence , when come and go are used as infinitives or as imperatives, we use and instead of to . So , and is used .

Thus the Correct Option is C , which is 1. In order that 2. And .