They / not brush / their teeth / two days.
They haven't brush their teeth for two days.
Megan / not speak / English / she came back to France.
Megan hasn't spoken English since she came back to France.
each other / We / .... 2010. / have known
We have known each other since 2010.
Lisa has had her dog ...... two years.
for
Michael hasn't visited his grandma ..... he moved to L.A.
since
/ My friends / ... a long time. / a place where they can have a party / have looked for
My friends have looked for a place where they can have a party for a long time.
Has she been at school ..... this morning?
since
I haven't seen my cat .... last Tuesday.
since
.... last Christmas / a / haven't had / We / party /
We haven't had a party since last Christmas.
We have waited for our friend .... a long time.
for
I haven't heard of you .... you sent me your letter.
since
Have they lived in that house ..... a couple of years?
for
They have been married .... almost 20 years.
for
They / cook / many cakes / this morning.
They have cooked many cakes since this morning.
I / have / this car / five years.
I have had this car for five years.
Lucas / live / in that apartment / nine months
Lucas has lived in that apartment for nine months.
Luisa / be / awake / 20 minutes.
Luisa has been awake for 20 minutes.