practical english grammar 4 doc

practical english grammar exercises 1

... Conditionals PEG chapter 21 62 Conditional sentences: type 1 34 35 36 38 39 41 42 43 44 45 47 48 50 51 54 55 56 57 58 59 60 61 62 64 65 67 68 69 71 72 73 74 75 76 78 3 You . . . (buy) milk; we have heaps ... 40 The present perfect and the simple past 41 The present perfect and the simple past 42 The present perfect continuous tense 43 The present perfect and the present pe...

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