Atskirk dažnai painiojamas formas – since ir for, been ir gone, present perfect ir past simple – ir visada pasirink tinkamą.
Lemia garsas, o ne raidė: an hour, a university.
Įprotis ar tai, kas vyksta dabar? I work ir I'm working, nors lietuviškai abu – „dirbu“.
Per daug ar pakankamai: too hot, old enough ir kur stovi enough.
Since + laiko taškas, for + trukmė: I've lived here since 2015, ne „I live here since 2015“.
Su yesterday ar last year – past simple: I saw him yesterday, ne „I have seen him yesterday“.
Rezultatas ar trukmė: I've written three emails ir I've been writing.
Ką anksčiau darydavai, kas tau įprasta ir prie ko pamažu pripranti.
She has been to Paris (jau grįžo) ir she has gone to Paris (vis dar ten).
So + būdvardis, such + daiktavardis: so nice, such a nice day.