Linking words of purpose and addition

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1. Linking words of purpose and addition

The linking words of purpose introduce a sentence that expresses the purpose or aim of a previous action. Linking words of addition add additional information to what has been previously said.
LINKING WORDS OF PURPOSE
IMG UNIT 39-01
She is working hard in order to get promoted.
LINKING WORDS OF ADDITION
IMG UNIT 39-02
They've got automatic tunning. Besides, they include an AC adaptor.

2. Linking words of purpose

We have different words to introduce a sentence that expresses the purpose or aim of a previous action:

Linking word Grammar Examples
To It is followed by a verb in infinitive. It is used in informal situations. It has no negative form. I went to Africa to help build a school.
For It is followed by a noun. We go finishing for fun.
It is followed by a gerund to express what an object is used for. We use this special soap for cleaning woollen jumpers.
In order to
So as to
They are followed by a verb in infinitive. They are used in formal situations. They are rehearsing so as to / in order to give a great performance.
The negative form is: 
in order not to / so as not to
They are wearing their wellies so as not to / in order not to get their feet wet.
So that
In order that
They are followed by a subject and a verb. Usually the verb is preceded by a modal: (can, could, will, would...)* Clear the table so that / in order that we can have breakfast.
So that is more informal and in spoken English they tend to say just so, that is, they omit the particle that. The software was updated so (that) the computer would be more efficient.

* If the main sentence is in present, the modal is usually can or will. If the main sentence is in past, the modal is usually could or would.

3. Linking words of addition

We have different words to add additional information to an idea that has been expressed previously:

Linking word Examples
Plus (informal) This jumper is worn out. Plus, it has a hole on one sleeve.
What's more (informal) She's studying two university degrees, and what's more she speaks four languages.
Besides (neutral) This hotel has good facilities. Besides, it's well located.
As well as (formal) As well as being excellent sailors, they were great warriors.
In addition (formal) He has the skills. In addition, he's got a lot of experience.
Moreover (formal) The design is gorgeous. Moreover, it’s modern and fresh.
Furthermore (formal) It's an interesting project. Furthermore, it includes a recycling system.

Remember!

Linking words of purpose introduce a sentence that expresses the purpose or aim of a previous action; while linking words of addition are used to add additional information to what has been previously stated.
Linking words of purpose Linking words of addition
To I talked to Peter to make it up with him. Plus I like the color of these shoes. Plus, they look comfortable.
For I met Julia for a chat. In addition The play is great and, in addition, it has a strong cast.
In order to I made some changes in order to improve the website. What's more They told me where the building was and what's more, they accompanied me there.
So as to I keep my notes in folders so as not to lose them. Besides I don't feel like going out. Besides, it's raining.
So that
Give me your email address so that I can send you the document. As well as As well as being rich in nutrients, cucumbers are also antioxidant.
In order that
I rented out my premises to her in order that she could present her designs. Moreover Unemployment has fallen. Moreover, there are more permanent contracts.
    Furthermore The new tax law is too strict. Furthermore, it only benefits large companies.