现在进行时由“am/is/are+现在分词”构成。如：

I’mstudyingatYuCaiSeniorMiddleschool.我在育才中学读书。

Heiswritingonthedesk.他再课桌上写字。

TheyaretalkingabouttheirvisitingtheGreatWall.他们在谈论游长城的事情。

【说明】动词现在分词的构成方法：

(1)一般在动词后加-ing。如：say—saying,play—playing,think—thinking,study—studying,teach—teaching,blow—blowing,build—building.

(2)动词若以-e结尾,则去e再加-ing。如：love—loving,make—making,guide—guiding,date—dating.

(3)在以单短元音的重读闭音节结尾，且末尾只有一个辅音字母的动词后，双写最后一个辅音字母，再加-ing。如：begin—beginning,regret—regretting,plan—planning,ban—banning.

(4)在以ie结尾的动词后，改ie为y，再加-ing。如：lie—lying,die—dying,tie—tying.

(5)在以-c[k]结尾的动词后加-king。如：picnic—picnicking,panic—panicking.