请问老师 last week 只能用于一般过去时态吗this week能用于现在完成时态吗this week是否是个确定时间？ this week 作时间状语时，用什么时态
\u73b0\u5728\u5b8c\u6210\u65f6\u6001\u548c\u4e00\u822c\u8fc7\u53bb\u65f6\u6001\u7684\u533a\u522b\u4e00\u822c\u8fc7\u53bb\u65f6\u548c\u73b0\u5728\u5b8c\u6210\u65f6
\u3000\u3000\uff08 1 \uff09\u3001\u4e00\u822c\u8fc7\u53bb\u65f6\u7684\u8c13\u8bed\u52a8\u8bcd\u7528\u8fc7\u53bb\u5f0f,\u800c\u73b0\u5728\u5b8c\u6210\u65f6\u7684\u8c13\u8bed\u57fa\u672c\u6784\u6210\u662f\u201c\u4e3b\u8bed+ have/ has + \u52a8\u8bcd\uff08V.\uff09\u7684\u8fc7\u53bb\u5206\u8bcd\u201d.\u8fc7\u53bb\u65f6\u8868\u793a\u8fc7\u53bb\u67d0\u65f6\u53d1\u751f\u7684\u52a8\u4f5c\u6216\u5355\u7eaf\u53d9\u8ff0\u8fc7\u53bb\u7684\u4e8b\u60c5,\u5f3a\u8c03\u52a8\u4f5c\uff1b\u73b0\u5728\u5b8c\u6210\u65f6\u4e3a\u8fc7\u53bb\u53d1\u751f\u7684,\u5f3a\u8c03\u8fc7\u53bb\u7684\u4e8b\u60c5\u5bf9\u73b0\u5728\u7684\u5f71\u54cd,\u5f3a\u8c03\u7684\u662f\u5f71\u54cd. \u3000\u3000(2) \u3001\u4e00\u822c\u8fc7\u53bb\u65f6\u901a\u5e38\u4e0e\u8868\u793a\u8fc7\u53bb\u7684\u65f6\u95f4\u72b6\u8bed\u8fde\u7528.\u5982\uff1ayesterday,last week,two years ago,just now,in 2002 \u7b49\uff1b\u800c\u73b0\u5728\u5b8c\u6210\u65f6\u5219\u5e38\u4e0e just,already,ever,never \u7b49\u526f\u8bcd\u548c these days,this week,since .,for . \u7b49\u8868\u793a\u4e00\u6bb5\u65f6\u95f4\u7684\u72b6\u8bed\u8fde\u7528. \u3000\u3000\u8bd5\u6bd4\u8f83\u4ee5\u4e0b\u51e0\u7ec4\u53e5\u5b50,\u6709\u4ec0\u4e48\u533a\u522b\uff1a \u3000\u3000\u2460 A:Have you seen the film \u3000\u3000B:Did you see the film \u3000\u3000\u5206\u6790\uff1a\u4f60\u770b\u8fc7\u8fd9\u90e8\u7535\u5f71\u5417?\uff08 A \uff09\u53e5\u5f3a\u8c03\u7684\u662f\u88ab\u95ee\u8005\u5bf9\u5267\u60c5\u662f\u5426\u4e86\u89e3\uff1b\uff08 B \uff09\u53e5\u5f3a\u8c03\u7684\u662f\u770b\u8fd9\u90e8\u7535\u5f71\u7684\u52a8\u4f5c\u662f\u5426\u53d1\u751f\u8fc7,\u5e76\u4e0d\u5f3a\u8c03\u662f\u5426\u77e5\u9053\u5176\u5185\u5bb9. \u3000\u3000\u2461 A:How has he done it \u3000\u3000B:How did he do it \u3000\u3000\u5206\u6790\uff1a\u4ed6\u662f\u600e\u4e48\u505a\u7684\u8fd9\u4ef6\u4e8b?\uff08 A \uff09\u53e5\u5f3a\u8c03\u7684\u662f\u4ed6\u505a\u8fd9\u4ef6\u4e8b\u7684\u65b9\u5f0f\u5bf9\u73b0\u5728\u4ea7\u751f\u4e86\u67d0\u79cd\u5f71\u54cd\uff1b\uff08 B \uff09\u53e5\u5355\u7eaf\u7684\u8be2\u95ee\u505a\u8fd9\u4ef6\u4e8b\u7684\u65b9\u5f0f. \u3000\u3000\u2462 A:He has lived in Beijing for 8 years . \u3000\u3000B:He lived in Beijing for 8 years . \u3000\u3000\u5206\u6790\uff1a\u4ed6\u5728\u5317\u4eac\u4f4f\u4e86 8 \u5e74.\uff08 A \uff09\u53e5\u8bb2\u7684\u662f\u5230\u76ee\u524d\u4e3a\u6b62\u4ed6\u5728\u5317\u4eac\u4f4f\u4e86 8 \u5e74,\u53ef\u80fd\u8fd8\u4f1a\u7ee7\u7eed\u5728\u5317\u4eac\u4f4f\u4e0b\u53bb.\uff08 B \uff09\u53e5\u8bb2\u7684\u662f\u4ed6\u5728\u5317\u4eac\u4f4f\u8fc7 8 \u5e74,\u73b0\u5728\u5df2\u7ecf\u4e0d\u5728\u5317\u4eac\u4e86. \u3000\u3000\uff083\uff09\u73b0\u5728\u5b8c\u6210\u65f6\u5f3a\u8c03\u8fc7\u53bb\u53d1\u751f\u7684\u52a8\u4f5c\u5bf9\u73b0\u5728\u7684\u5f71\u54cd\u548c\u7ed3\u679c,\u800c\u4e00\u822c\u8fc7\u53bb\u65f6\u4e0e\u73b0\u5728\u6ca1\u6709\u8054\u7cfb,\u53ea\u662f\u8bf4\u660e\u67d0\u4e2a\u52a8\u4f5c\u53d1\u751f\u7684\u65f6\u95f4\u662f\u5728\u8fc7\u53bb. \u3000\u3000\u6bd4\uff1aI have washed the car. \u6211\u6d17\u8fc7\u4e86\u8f66.\uff08\u770b\u4e0a\u53bb\u5f88\u6f02\u4eae\uff09 \u3000\u3000I washed the car a moment ago.\u3000\u6211\u521a\u624d\u6d17\u8fc7\u8f66\u4e86. \u3000\u3000She has watered the flowers.\u3000\u5979\u5df2\u7ecf\u6d47\u4e86\u82b1.\uff08\u4e0d\u9700\u8981\u518d\u6d47\u4e86\uff09 \u3000\u3000She watered the flowers yesterday.\u3000\u5979\u6628\u5929\u6d47\u7684\u82b1. \u3000\u3000I have written the letter but I haven't posted it yet. \u4fe1\u6211\u5df2\u7ecf\u5199\u597d\u4e86,\u4f46\u8fd8\u6ca1\u6709\u5bc4\u51fa. \u3000\u3000I wrote the letter last week and I posted it three days ago.\u3000\u6211\u4e0a\u5468\u5199\u7684\u90a3\u5c01\u4fe1,3\u5929\u524d\u5bc4\u51fa\u7684. \u3000\u3000\uff084\uff09\u73b0\u5728\u5b8c\u6210\u65f6\u8868\u793a\u7684\u52a8\u4f5c\u6216\u72b6\u6001\u5ef6\u7eed\u5230\u73b0\u5728\u5e76\u53ef\u80fd\u5ef6\u7eed\u4e0b\u53bb,\u800c\u4e00\u822c\u8fc7\u53bb\u65f6\u5219\u5355\u7eaf\u8868\u793a\u8fc7\u53bb\u67d0\u6bb5\u65f6\u95f4\u5185\u7684\u7ecf\u5386. \u3000\u3000\u6bd4\uff1aIt has rained for five hours. \u96e8\u5df2\u7ecf\u4e0b\u4e865\u4e2a\u5c0f\u65f6\u4e86. \u3000\u3000It rained for five hours yesterday.\u3000\u6628\u5929\u4e0b\u4e865\u4e2a\u5c0f\u65f6\u7684\u96e8. \u3000\u3000He has waited for her for two hours. \u4ed6\u7b49\u5979\u5df2\u7ecf\u4e24\u4e2a\u5c0f\u65f6\u4e86. \u3000\u3000He waited for her two hours and then went home.\u3000\u4ed6\u7b49\u5979\u7b49\u4e86\u4e24\u4e2a\u5c0f\u65f6,\u7136\u540e\u5c31\u56de\u5bb6\u4e86. \u3000\u3000I have reviewed two lessons this morning.\u3000\u4eca\u5929\u4e0a\u5348\u6211\u5df2\u7ecf\u590d\u4e60\u4e86\u4e24\u8bfe.\uff08\u8bf4\u8bdd\u65f6\u8fd8\u5728\u4e0a\u5348\uff09 \u3000\u3000I reviewed two lessons this morning.\u3000\u4eca\u5929\u4e0a\u5348\u6211\u590d\u4e60\u4e86\u4e24\u8bfe.\uff08\u8bf4\u8bdd\u65f6\u5df2\u662f\u4e0b\u5348\u6216\u665a\u4e0a\uff09
\u65f6\u6001\u8981\u6839\u636e\u8bed\u5883\u6765\u5b9a\u3002
\u5982\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5\uff0c\u5728\u903b\u8f91\u4e0a\u6765\u8bb2\u90fd\u662f\u8bf4\u5f97\u901a\u7684\uff0c\u5408\u7406\u7684\u3002
I will buy a bike this week. \u5c06\u6765\u65f6\u3002\u6211\u8fd9\u5468\u8981\u4e70\u8f86\u81ea\u884c\u8f66 \uff08\u53ef\u80fd\u662f\u5468\u4e00\u8bf4\u7684\uff0c\u5468\u4e94\u4e70\uff09
I am writing a paper this week. \u8fdb\u884c\u65f6\u3002 \u6211\u8fd9\u5468\u5728\u5199\u4e00\u7bc7\u8bba\u6587 \uff08\u6b63\u5728\u5199\uff0c\u4f46\u4e0d\u77e5\u9053\u5199\u5b8c\u6ca1\uff09
I have completed a paper this week. \u73b0\u5728\u5b8c\u6210\u65f6 \uff08\u6211\u8fd9\u5468\u5b8c\u6210\u4e86\u4e00\u7bc7\u8bba\u6587\uff09
this week可以用于现在完成时态，可以表示一个确定的时间，也可理解为一个时间段。
例如：We have learnt fifty new words this week.
扩展阅读：my last weekend ... last week中文 ... on last weekend ... in last week对不对 ... last weekend六年级作文 ... my weekend plan ... this past weekend ... last weekend六年级5句 ... last weekend作文带翻译 ...
