Англійська мова. Теорія і практика. Досконалі продовженi часи. Ричард Грант

дужки, вживаючи дієслова у Past Perfect Continuous.

      1. My sister (to practise) for two months before that concert. 2. It (to snow) for five hours before the weather changed. 3. Where Robert (to work) since 4 o’clock yesterday? – He (to fix) a fence in the garden. 4. The boys (to fish) for three hours before Tom caught the first fish. 5. Betty and Jane (to argue