Какое строение предложения в present perfekt?

  how long have you been trying to find a job?

for three years. it was really difficult.

how many jobs have you had?  

about thirty, maybe more i have been doing everything.

how long have you been standing here today?  

i have  been waiting since 8: 00 this morning, and i'm freezing.  

если тут надо составить предложения по типу, то так:   1) she will be able to walk in 6 mounts.

2) she will be able to talk in 2.5 years

3) she'll be able to tell stories in 4 years 

4) she'll be able to write letters in 5 years

  5) she'll be able to read in 3 years

6) she'll be able to do sums in 6.5 years