8B Unit2教案

period 6 grammar ii
(verbs with ‘for’, ‘since’ or ‘a(chǎn)go’)
teaching goals
● to consolidate the present perfect tense
● to understand the verbs with continuous time adverbials
teaching procedures
step 1 having a revision
make a dialogue like this:
a: have you ever been to shanghai?
b: yes, i have.
a: where did you go there?
b: i went there two weeks ago.
a: when did you leave shanghai?
b: i left there two days ago.
a: how long have you stayed there?
b: i have stayed there for twelve days.
work in pairs.
step 2 presenting
we can say: jim has stayed in shanghai for 12 days. he left there two days ago. but we can’t say: jim has left shanghai for two days. because some verbs, such as ‘ come’, ‘go’ and ‘leave’ cannot be used with continuous time adverbials such as ‘ for two hours’ or ‘since last month’. to talk about an action that happened at a point in the past, we will have to use ‘a(chǎn)go’ and the simple past tense.
step 3 practising
tell if the following sentences are true or false.
1. he has bought a bike for two years. (f)
2. millie bought a purse two days ago. (t)
3. she has already left beijing. (t)
4. she has been away from beijing for 2 days. (t)
5. she left beijing two days ago. (t)
6. simon has joined the reading club since . (f)
7. his grandfather has died for 3 years. (f)
8. when have they got married? (f)
step 4 presenting
if you want to express a continuous state, you can use another way like this:
verbs             used for a continuous state
buy               have /has had
borrow            have /has kept
arrive             have /has been in /at
leave               have /has been away
join                have /has been in /a member of
die                 have /has been dead
get married          have /has been married
come / go           have /has been in /at
begin / start          have /has been on
stop                have/ has been over