It is written in "English Grammar In Use" (by Raymond Murphy): We use the present perfect simple in negative
sentences like these: 1. I haven't seen Tom since Monday.
2. Jane hasn't phoned me for two weeks.(unit 11-D)
According to this rule we say:
3. I haven't worked since my baby was born.
But in another book it is written:
4. I haven't been working since my baby was born.
I'm confused. Could you explain: 1) Is (4) wrong?
2) Have I misunderstood something?
3) When can we use Present Perfect Progressive-negative sentences?
lia lilia Could you explain: 1) Is (4) wrong? No, it is fine. lia lilia 2) Have I misunderstood something?
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lia liliaCould you explain: 1) Is (4) wrong?
No, it is fine.
lia lilia2) Have I misunderstood something?
I think so. Murphy is just demonstrating present perfect simple; he is not saying that you cannot use the progressive form.
lia lilia3) When can we use Present Perfect Progressive-ne