SEQUENCE (CHRONOLOGICAL ORDER)

First of all

Then

After a few days

Previously

Simultaneously

At the same time

As soon as

Since

Currently

Finally

CONTRAST (OPPOSITE IDEAS OR EXCEPTIONS)

But

On the other hand

In contrast (to)

Still

Although

In spite of

Instead of

ADDITION AND LISTING (SIMILAR IDEAS)

And

Also

Besides

Like

In the same way

Last but not least

In comparison with

CONSEQUENCE (CAUSE/EFFECT)

So

Because

Due to

As a consequence

For this reason

Unless

In that case

EXEMPLIFICATION (GENERAL / SPECIFIC IDEAS)

For example

As an example

Generally speaking

RESTATEMENT

In other words

To put it another way

I mean

In fact

SUMMARISING

To sum up

In conclusion

Briefly

On the whole