in two hours
He will finish the work in two hours.
on May19th, 2007 on Saturday on a rainy day
on Sunday morning on the morning of June1st
for three years
I will keep this book for two weeks.
since five days ago=for five days
[误] I have been on the football team since five days.
[正] I have been on the football team since five days ago.
before/after supper, after school/class
yesterday, today, tomorrow, then,
the day before yesterday, the day after tomorrow
just now=a moment ago, from now on, from then on
[误] He hurt his leg on last week.
[正] He hurt his leg last week.
at first at the end of the party at last=in the end=finally
in a/the car/taxi
on a bike/motorbike/bus/train on foot
[误] He by bike to school every day.
[正] He goes to school by bike/on a bike every day.
[正] He rides a bike to school every day.
[误] He by train to Beijing yesterday.
[正] He went to Beijing by train/on a train yesterday.
[正] He took a train to Beijing yesterday.
with my father, with a knife, with a book in his hand,
at home, at school,
in Tom's/his home, in Quanzhou, in China,
in our classroom, in the drawer, in my backpack,
on the desk, on the/my left, on my seat
at the front of = in front of, in the front of, at the back of
behind the door above/below/under the bed, over the river
next/close to my room, near my school, far from the city,
out of the window, inside/outside, beside me,
in the tree on the tree (lie) in bed on the bed