Question

rules of past perfact contionous tense

Answer 1

ᴛᴏ ꜰᴏʀᴍ ᴛʜᴇ ᴘᴀꜱᴛ ᴘᴇʀꜰᴇᴄᴛ ᴛᴇɴꜱᴇ ʏᴏᴜ ᴜꜱᴇ ᴛʜᴇ ᴘᴀꜱᴛ ᴛᴇɴꜱᴇ ᴏꜰ ᴛʜᴇ ᴠᴇʀʙ"ᴛᴏ ʜᴀᴠᴇ " ᴡʜɪᴄʜ ɪꜱ ʜᴀᴅ,ᴀɴᴅ ᴀᴅᴅ ɪᴛ ᴛᴏ ᴛʜᴇ ᴘᴀꜱᴛ ᴘᴀʀᴛɪᴄɪᴘʟᴇ ᴏꜰ ᴛʜᴇ ᴍᴀɪɴ ᴠᴇʀʙ . ꜰᴏʀ ᴇxᴀᴍᴘʟᴇ: ꜱᴜʙᴊᴇᴄᴛ+ʜᴀᴅ+ ᴘᴀꜱᴛ ᴘᴀʀᴛɪᴄɪᴘʟᴇ=ᴘᴀꜱᴛ ᴘᴇʀꜰᴇᴄᴛ ᴛᴇɴꜱᴇ

Answer 2

The past perfect continuous tense (also known as the past perfect progressive tense) shows that an action that started in the past continued up until another time in the past. The past perfect continuous tense is constructed using had been + the verb's present participle (root + -ing).