В диалогической речи

- To begin with

- It goes without saying that

- I think \ I don't think

- As for me ….

- I agree with you \ I don’t agree with you

- To my mind

- On my point of view

- My opinion is that…

- I can’t but agree with you that…

- You are surely right \ You are wrong

- I am sure…

- To tell the truth ….

- To be short ….

- Really?!

- Well…

• the case is that

• the most important is that

• So…

• On the one hand …. on the other hand

• At first, at second…

• The advantage is that… \ the disadvantage is that…

- At last