1.I was not able to gain access to Internet in last a few days.
2.I was not able to gain access to Internet last a few days.
3.I was not able to gain access to Internet in a few days.
4.I was not able to gain access to Internet for a few days.
5.I was not able to gain access to Internet the last a few days.
6.I was not able to gain access to Internet in the last a few days.
7.I was not able to gain access to Internet for the last a few days.
8.I was not able to gain access to Internet for last a few days.
9.I was not able to gain access to Internet in last few days.
10.I was not able to gain access to Internet last few days.
11.I was not able to gain access to Internet in few days.
12.I was not able to gain access to Internet for few days.
13.I was not able to gain access to Internet the last few days.
14.I was not able to gain access to Internet in the last few days.
15.I was not able to gain access to Internet for the last few days.
16.I was not able to gain access to Internet for last few days.
Questions:
A:Which ones are correct ? Could you possibly give me the numbers please?
B:Is there any difference between the sentence which are correct ones.
C:Which one/ones should I choose in order to imply clearly that I am not able to access constantly whole last days OR I was unable to access sometimes but I had this problem only for a few days.
D:If I use present perfect tense, does it imply I am still unable to access to Internet. And which ones for the best for present perfect. "I have been unable to access to Internet ........."
E:Can using past instead of last in these sentences change the meanings?
Thank you