practical english grammar 2 pot

practical english grammar exercises 1

... Present and past tenses PEG chapters 17-18 1 2 4 6 7 8 9 10 11 12 13 14 16 17 18 19 20 21 23 24 25 27 28 29 30 31 33 2 28 The simple present tense 29 The simple present tense 30 The present ... past participle construction 20 be 21 it is/there is 22 can and be able 23 may 24 must and have to 25 must not and need not 26 need not and don't have to etc. 27 must, can...

Ngày tải lên: 06/07/2013, 01:25