Ix. откройте скобки и поставьте глаголы в present simple, present continuous, present perfect continuous: 1. where (to be) mr. dunn? - he is in the dressing room. he (to wait) for the dressmaker since 10 o'clock. 2. mr. smith (to work) for this tailor shop since last year. 3. my friend (to learn) design and construction of sewing items. how long she (to learn) it? - for about 3 years. 4. the designers (to have) talks now. they (to discuss) the prices & terms of the contract since morning.
1. is, has been waiting
2. has been working
3. learns, has been lerning
4. are having, have been discussing