Since

1-- You must use present perfect with 'since'.
2-- That is OK.

Yes, I agree with Mister.

rajesh jainCan we also use "since" in this form or do we have to compulsorily use present perfect tense here?-1.I am a regular user of the Internet since 2005.

For activity that began in the past and is still going on, you must use the present perfect "I have been a regular u

To BillJ;

For Question
No. 2) I don't know him properly yet. & I don't yet know him properly - meaning both are fine?

How about - I told Jane already about it. or the other way - I already told Jane about it - both are accepted? is that the same thing?

Thanks in advance BillJ.

Regards;
Ermy

ErmyFor QuestionNo. 2) I don't know him properly yet. & I don't yet know him properly - meaning both are fine?

Yes, both are fine.

ErmyHow about - I told Jane already about it. or the other way - I already told Jane about it - both are accepted? is that the same thing?

They mean the same thing, but "I already told Jan

Thank you so much BillJ