1. Functions for to construction
1.1. The Subject
1.2. Predicative
1.3. Part of a predicative
1.4. Complex object
1.5. Attribute
1.6. Adverbial modifier
1.6.1. Of purpose
1.6.2. Of result
2. The infinitive constructions
2.1. The Objective
2.2. "For to"
3. ING FORM
3.1. Used as a clause
3.1.1. Reduced relative clause
3.1.2. Reduced time clause
3.2. Used in exppressing
3.2.1. Manner
3.2.2. Clauses
3.3. Used after certain verbs
3.3.1. suggest
3.3.2. miss
3.3.3. Avoid
3.3.4. Enjoy
3.3.5. Risk
4. CHARACTERISTICS
4.1. wants to indicate a purpose or intention of an action
4.2. indicates the possible use of something
5. Is
5.1. The infinitive form of a verb is the verb in its basic form.
5.1.1. The infinitive form is not always used by "to"
5.1.1.1. Example
5.1.1.1.1. I need to run every day.
5.1.1.1.2. I must run every day.
5.1.2. a infinitiveit not is the main verb in a sentence.
6. FULL INFINITIVE
6.1. Are verbs that are preceded by the word to
6.1.1. To run
6.1.2. To speak
6.1.3. To watch
6.2. The full infinitive can function as a noun phrase
6.2.1. as a subject.
6.2.1.1. To err is human, to forgive is divine.
6.2.2. as an object
6.2.2.1. I intended to marry her.
6.3. It can also be used like an adjective or adverb.
6.3.1. This is the game to watch
6.3.2. This is the problem to think about
6.3.3. He went to his friend's house to study.
6.4. It is used to mean "in order to" to express purpose
6.4.1. You need to exercise regularly to lose weight
6.4.2. He works hard to earn a lot of money.
7. BARE INFINITIVE
7.1. The bare infinitive not use the word to
7.1.1. Is used when
7.1.1.1. modal verbs
7.1.1.1.1. I can play football
7.1.1.2. Would rather
7.1.1.2.1. I would rather go to the cinema than stay at home
7.1.1.3. had better
7.1.1.3.1. You'd better be quiet.
7.1.1.4. conclusion
7.1.1.4.1. the bare infinitive shows us that not all sentences have to carry