1.it’sbeen+时间段+since...自从……以来已经多长时间了
[教材原句]It’sbeensixyearssince we last saw each other,you know.(P32)你知道,离我们上次见面已经六年了。
语境巧练
[单句语法填空]
①It will be two years the economic situation improves.
②It has been two years he lived here.
③It was midnight he arrived home.
[写作升级]
④I have been learning wood carving for half a year.
→ I began to learn wood carving.
考点必记
